{
 "domain": "www.cdc.gov",
 "week": "2026-W38",
 "generatedAt": "2026-09-30T18:09:33.928Z",
 "reports": [
  {
   "instance_id": "VS-c4fe3948",
   "pattern_id": "VS-179ad9b3",
   "a11y_pattern_fingerprint": "a85f7841d6d258839aa49175b3807f2b26f2d9c09aa5a9db308c9180f668c523",
   "a11y_pattern_display_id": "A11Y-PAT-A85F7841D6D2",
   "a11y_occurrence_fingerprint": "e950c8b5072c11d5c5b8cd20ce27390da3cb7a37f33480f4cd6f42cbdf0a57e0",
   "a11y_occurrence_display_id": "A11Y-OCC-E950C8B5072C",
   "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
   "xpath": "<a href=\"#content_area\">",
   "html_snippet": null,
   "wcag_sc": "2.5.8",
   "wcag_name": "Target Size (Minimum)",
   "wcag_level": "AA",
   "wcag_version": "2.2",
   "wcag_category": "WCAG 2.2 AA",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r113",
   "rule_label": "Target size is at least 24×24 CSS pixels or has spacing (Minimum)",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r113",
   "severity": "Moderate",
   "frequency": {
    "instances": 1323,
    "pages_affected": 145,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Target size is at least 24×24 CSS pixels or has spacing (Minimum) (WCAG 2.5.8)",
   "description": "Target size is at least 24×24 CSS pixels or has spacing (Minimum). Detected by Siteimprove Alfa rule sia-r113 on 145 of 1858 scanned pages (1323 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "<a href=\"#content_area\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "<a href=\"http://www.cdc.gov/\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "<a href=\"http://www.cdc.gov/\">",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
     "xpath": "<a href=\"#content_area\">",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
     "xpath": "<a href=\"http://www.cdc.gov/\">",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00017425.htm"
   ],
   "affected_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00017425.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
    "https://www.cdc.gov/pcd/about_the_journal/Statistics_Review_Committee.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00046714.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00019549.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5505a6.htm",
    "http://www.cdc.gov/pcd/issues/2007/oct/07_0012_fr.htm",
    "https://www.cdc.gov/dpdx/monthlycasestudies/2017/case439.html",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00015030.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00016693.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00016754.htm",
    "https://www.cdc.gov/pcd/issues/2008/apr/08_0025.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5438a3.htm",
    "https://www.cdc.gov/pcd/issues/2009/apr/08_0108.htm",
    "https://www.cdc.gov/museum/exhibits/health.htm",
    "http://www.cdc.gov/global-health/countries/drc.html",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5640a4.htm",
    "https://www.cdc.gov/pcd/issues/2005/nov/05_0071.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5013a4.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6439a11.htm?s_cid=mm6439a11_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5952md.htm?s_cid=mm5952md_w",
    "http://www.cdc.gov/tobacco/campaign/tips/spanish/dejar-fumar/medicamentos/tres-razones/index.html",
    "https://www.cdc.gov/pcd/issues/2012/11_0109.htm"
   ],
   "impact": {
    "groups": [
     {
      "code": "LM",
      "group": "Limited manipulation/strength",
      "prevalence": 0.13,
      "percent": "13.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LR",
      "group": "Limited reach",
      "prevalence": 0.02,
      "percent": "2.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Limited manipulation/strength (13.0%), Limited reach (2.0%), Limited vision (2.4%)."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/pcd/issues/2010/jul/toc.htm.",
    "Locate the element: <a href=\"#content_area\">",
    "Confirm the Siteimprove Alfa finding for rule sia-r113 against WCAG 2.5.8 Target Size (Minimum)."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r113",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/alfa__sia-r113.csv"
  },
  {
   "instance_id": "VS-9110246b",
   "pattern_id": "VS-f7dba940",
   "a11y_pattern_fingerprint": "b20b60bb6a54a12d75372fa59ad97772717e2d294039b03929e1d6250765fef6",
   "a11y_pattern_display_id": "A11Y-PAT-B20B60BB6A54",
   "a11y_occurrence_fingerprint": "f7c81a56646783af50d368624c9fc87cfcad33f71713be88f9c02ce0ab04c85b",
   "a11y_occurrence_display_id": "A11Y-OCC-F7C81A566467",
   "url": "http://www.cdc.gov/listeria/outbreaks/delimeats-7-24/index.html",
   "xpath": "<a href=\"/listeria/about/index.html\" class=\"cdc-footer__super-title\" aria-label=\"<em>Listeria </em>Infection (Listeriosis)\">",
   "html_snippet": null,
   "wcag_sc": "2.5.3",
   "wcag_name": "Label in Name",
   "wcag_level": "A",
   "wcag_version": "2.1",
   "wcag_category": "WCAG 2.1 A",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r14",
   "rule_label": "Accessible name of link or button matches visible label",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r14",
   "severity": "Moderate",
   "frequency": {
    "instances": 129,
    "pages_affected": 66,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Accessible name of link or button matches visible label (WCAG 2.5.3)",
   "description": "Accessible name of link or button matches visible label. Detected by Siteimprove Alfa rule sia-r14 on 66 of 1858 scanned pages (129 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/listeria/outbreaks/delimeats-7-24/index.html",
     "xpath": "<a href=\"/listeria/about/index.html\" class=\"cdc-footer__super-title\" aria-label=\"<em>Listeria </em>Infection (Listeriosis)\">",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/environmental-exposure-report/whats-new/whats_new_072010.html",
     "xpath": "<a href=\"/environmental-exposure-report/index.html\" class=\"cdc-footer__super-title\" aria-label=\"National Report on Human Exposure to Environmental Chemicals\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/hepatitis-surveillance-2021/about/technical-notes.html",
     "xpath": "<a href=\"/hepatitis-surveillance-2021/about/index.html\" class=\"cdc-footer__super-title\" aria-label=\"2021 Viral Hepatitis Surveillance Report\">",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/niosh/topics/firefighting",
     "xpath": "<a aria-label=\"View\" target=\"_blank\" class=\"cdc-block-link tp-link-policy\" href=\"https://research.fs.usda.gov/sites/default/files/2023-03/pnw-13-1-02-14_final_report.pdf\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/hepatitis-surveillance-2022/about/national-profile.html",
     "xpath": "<a href=\"/hepatitis-surveillance-2022/about/index.html\" class=\"cdc-footer__super-title\" aria-label=\"2022 Viral Hepatitis Surveillance Report\">",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/listeria/outbreaks/delimeats-7-24/index.html",
    "https://www.cdc.gov/environmental-exposure-report/whats-new/whats_new_072010.html",
    "http://www.cdc.gov/hepatitis-surveillance-2021/about/technical-notes.html"
   ],
   "affected_pages": [
    "http://www.cdc.gov/listeria/outbreaks/delimeats-7-24/index.html",
    "https://www.cdc.gov/environmental-exposure-report/whats-new/whats_new_072010.html",
    "http://www.cdc.gov/hepatitis-surveillance-2021/about/technical-notes.html",
    "https://www.cdc.gov/niosh/topics/firefighting",
    "http://www.cdc.gov/hepatitis-surveillance-2022/about/national-profile.html",
    "http://www.cdc.gov/nchhstp/about/index.html",
    "https://www.cdc.gov/niosh/rhabdo/es/signs-symptoms/signos-y-sintomas-de-rabdomiolisis-rabdo.html",
    "https://www.cdc.gov/sudden-infant-death/index.html",
    "http://www.cdc.gov/global-health/countries/drc.html",
    "https://www.cdc.gov/autism/data-research/autism-data-visualization-tool.html",
    "http://www.cdc.gov/vaccines-pregnancy/index.html",
    "https://www.cdc.gov/hepatitis/statistics/2021surveillance/hepatitis-b/figure-2.8.htm",
    "http://www.cdc.gov/national-program-cancer-registries/index.html",
    "http://www.cdc.gov/yersinia/about",
    "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/respiratory-viruses/es/prevention/prevencion-de-las-enfermedades-respiratorias.html",
    "https://www.cdc.gov/control-legionella/php/public-health-strategy/index.html",
    "http://www.cdc.gov/tobacco/campaign/tips/spanish/dejar-fumar/medicamentos/tres-razones/index.html",
    "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-b/figure-2-5.html",
    "https://www.cdc.gov/vaccines/hcp/acip-recs/vacc-specific/mmr.html",
    "https://www.cdc.gov/control-legionella/php/wmp/common-wmp-questions.html",
    "http://www.cdc.gov/salmonella/outbreaks/sproutedbeans-07-25/timeline.html",
    "https://www.cdc.gov/valley-fever/hcp/clinical-overview/index.html",
    "http://www.cdc.gov/mycoplasma/about/index.html",
    "https://www.cdc.gov/poxvirus/monkeypox/clinicians/prep-collection-specimens.html",
    "https://www.cdc.gov/safe-labs/php/echo-biosafety-2023/ppe-use.html"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "WS",
      "group": "Without speech",
      "prevalence": 0.005,
      "percent": "0.5%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Without speech (0.5%)."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/listeria/outbreaks/delimeats-7-24/index.html.",
    "Locate the element: <a href=\"/listeria/about/index.html\" class=\"cdc-footer__super-title\" aria-label=\"<em>Listeria </em>Infection (Listeriosis)\">",
    "Confirm the Siteimprove Alfa finding for rule sia-r14 against WCAG 2.5.3 Label in Name."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r14",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/alfa__sia-r14.csv"
  },
  {
   "instance_id": "VS-777e5ff0",
   "pattern_id": "VS-9074b4dd",
   "a11y_pattern_fingerprint": "da4454e0e42031a51646c1985ca2411a096ece054e35f60081bbff060e02002a",
   "a11y_pattern_display_id": "A11Y-PAT-DA4454E0E420",
   "a11y_occurrence_fingerprint": "927081606ce77207f916f71844198409feb60c6e3efd7f8adb80281c125f2d30",
   "a11y_occurrence_display_id": "A11Y-OCC-927081606CE7",
   "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
   "xpath": "a[href$=\"cdc.gov/\"] > img[height=\"8\"][alt=\" \"]",
   "html_snippet": "<img src=\"http://www.cdc.gov/navimages/nav21.gif\" border=\"0\" alt=\" \" width=\"140\" height=\"8\">",
   "wcag_sc": "1.1.1",
   "wcag_name": "Non-text Content",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "image-alt",
   "rule_label": "Images must have alternative text",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/image-alt?application=axeAPI",
   "severity": "Critical",
   "frequency": {
    "instances": 3816,
    "pages_affected": 330,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Images must have alternative text (WCAG 1.1.1)",
   "description": "Images must have alternative text. Detected by axe-core rule image-alt on 330 of 1858 scanned pages (3816 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "a[href$=\"cdc.gov/\"] > img[height=\"8\"][alt=\" \"]",
     "html_snippet": "<img src=\"http://www.cdc.gov/navimages/nav21.gif\" border=\"0\" alt=\" \" width=\"140\" height=\"8\">"
    },
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "img[height=\"63\"]",
     "html_snippet": "<img border=\"0\" src=\"http://www.cdc.gov/navimages/nav12.gif\" alt=\" \" width=\"12\" height=\"63\">"
    },
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "td[bgcolor=\"#000099\"][width=\"50%\"][height=\"19\"]:nth-child(6) > img[width=\"1\"][height=\"1\"][alt=\" \"]",
     "html_snippet": "<img src=\"//www.cdc.gov/navimages/spacer.gif\" width=\"1\" height=\"1\" alt=\" \">"
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4843a5.htm",
     "xpath": "td[rowspan=\"2\"][width=\"10\"]:nth-child(1) > img[alt=\" \"][width=\"10\"][src$=\"spacer.gif\"]",
     "html_snippet": "<img src=\"../../images/spacer.gif\" width=\"10\" height=\"1\" alt=\" \" border=\"0\">"
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4843a5.htm",
     "xpath": "img[height=\"10\"][alt=\" \"][src$=\"spacer.gif\"]",
     "html_snippet": "<img src=\"../../images/spacer.gif\" width=\"1\" height=\"10\" alt=\" \" border=\"0\">"
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4843a5.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm"
   ],
   "affected_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4843a5.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00017426.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00017425.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5114md.htm",
    "https://www.cdc.gov/pcd/issues/2010/may/09_0123.htm",
    "http://www.cdc.gov/PCD/issues/2008/apr/07_0053_es.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5033a4.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5025a2.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5402a2.htm",
    "http://www.cdc.gov/pcd/issues/2005/apr/05_0027.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5415a1.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00046714.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00019549.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00047831.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5317a3.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5505a6.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00039041.htm",
    "http://www.cdc.gov/pcd/issues/2008/jan/07_0148_zhs.htm",
    "http://www.cdc.gov/pcd/issues/2007/oct/07_0012_fr.htm",
    "https://www.cdc.gov/pcd/issues/2009/oct/08_0226_es.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4901a4.htm",
    "https://www.cdc.gov/pcd/issues/2009/jul/09_0017_es.htm",
    "https://www.cdc.gov/pcd/issues/2005/apr/04_0093_zht.htm"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "LCLA",
      "group": "Limited cognitive, language, or learning ability",
      "prevalence": 0.11,
      "percent": "11.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited cognitive, language, or learning ability (11.0%)."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/pcd/issues/2010/jul/toc.htm.",
    "Locate the element: a[href$=\"cdc.gov/\"] > img[height=\"8\"][alt=\" \"]",
    "Confirm the axe-core finding for rule image-alt against WCAG 1.1.1 Non-text Content."
   ],
   "remediation_tip": "Give every <img> a meaningful alt attribute. Use alt=\"\" only for decorative images so screen readers skip them.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/image-alt?application=axeAPI",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/axe-core__image-alt.csv"
  },
  {
   "instance_id": "VS-4129db5d",
   "pattern_id": "VS-a24eaa8c",
   "a11y_pattern_fingerprint": "aa9e49a0a44e133f7f70d004def68ef7733d7b19d14351f0dc788e8451df11b6",
   "a11y_pattern_display_id": "A11Y-PAT-AA9E49A0A44E",
   "a11y_occurrence_fingerprint": "c9376695cdab5a50ae9a76a6cd897006f5cb5cb08fde010ecc1f7e76a085fe3a",
   "a11y_occurrence_display_id": "A11Y-OCC-C9376695CDAB",
   "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
   "xpath": "<img src=\"http://www.cdc.gov/navimages/nav21.gif\" border=\"0\" alt=\" \" width=\"140\">",
   "html_snippet": null,
   "wcag_sc": "1.1.1",
   "wcag_name": "Non-text Content",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r2",
   "rule_label": "Image has accessible name",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r2",
   "severity": "Moderate",
   "frequency": {
    "instances": 791,
    "pages_affected": 86,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Image has accessible name (WCAG 1.1.1)",
   "description": "Image has accessible name. Detected by Siteimprove Alfa rule sia-r2 on 86 of 1858 scanned pages (791 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "<img src=\"http://www.cdc.gov/navimages/nav21.gif\" border=\"0\" alt=\" \" width=\"140\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "<img border=\"0\" src=\"http://www.cdc.gov/navimages/nav12.gif\" alt=\" \" width=\"12\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "<img src=\"//www.cdc.gov/navimages/spacer.gif\" width=\"1\" height=\"1\" alt=\" \">",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
     "xpath": "<img src=\"../../images/spacer.gif\" width=\"10\" height=\"1\" alt=\" \">",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
     "xpath": "<img src=\"../../images/spacer.gif\" width=\"1\" height=\"10\" alt=\" \">",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00017425.htm"
   ],
   "affected_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00017425.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00046714.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00019549.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5505a6.htm",
    "http://www.cdc.gov/pcd/issues/2007/oct/07_0012_fr.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00015030.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00016693.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00016754.htm",
    "https://www.cdc.gov/pcd/issues/2008/apr/08_0025.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5438a3.htm",
    "https://www.cdc.gov/pcd/issues/2009/apr/08_0108.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5640a4.htm",
    "https://www.cdc.gov/pcd/issues/2005/nov/05_0071.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5013a4.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00001905.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5030a4.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5829a1.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5412md.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00046702.htm",
    "https://www.cdc.gov/mmwR/preview/mmwrhtml/mm5738a1.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5310a2.htm",
    "http://www.cdc.gov/PCD/issues/2010/may/09_0086_es.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/ss5601a1.htm"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "LCLA",
      "group": "Limited cognitive, language, or learning ability",
      "prevalence": 0.11,
      "percent": "11.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited cognitive, language, or learning ability (11.0%)."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/pcd/issues/2010/jul/toc.htm.",
    "Locate the element: <img src=\"http://www.cdc.gov/navimages/nav21.gif\" border=\"0\" alt=\" \" width=\"140\">",
    "Confirm the Siteimprove Alfa finding for rule sia-r2 against WCAG 1.1.1 Non-text Content."
   ],
   "remediation_tip": "Give every <img> an accessible name (alt text), or alt=\"\" if purely decorative.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r2",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/alfa__sia-r2.csv"
  },
  {
   "instance_id": "VS-f7eb7de8",
   "pattern_id": "VS-9429bb8d",
   "a11y_pattern_fingerprint": "5e04c022b8120f91810063f0184bd022201254259c7b943bfc2eb557cb0c65ba",
   "a11y_pattern_display_id": "A11Y-PAT-5E04C022B812",
   "a11y_occurrence_fingerprint": "0183fda33f71d2eb85ea635d2f6516eea4621feff3bac0e1a06fd6a59b9683eb",
   "a11y_occurrence_display_id": "A11Y-OCC-0183FDA33F71",
   "url": "http://www.cdc.gov/free-mind/parents/real-talk.html",
   "xpath": "#accordion-4",
   "html_snippet": "<div class=\"accordion indicator-plus accordion-white mb3\" id=\"accordion-4\" role=\"tablist\">",
   "wcag_sc": "1.3.1",
   "wcag_name": "Info and Relationships",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "aria-required-children",
   "rule_label": "Certain ARIA roles must contain particular children",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/aria-required-children?application=axeAPI",
   "severity": "Critical",
   "frequency": {
    "instances": 6,
    "pages_affected": 1,
    "total_pages_scanned": 1858
   },
   "likely_source": "content",
   "summary": "Certain ARIA roles must contain particular children (WCAG 1.3.1)",
   "description": "Certain ARIA roles must contain particular children. Detected by axe-core rule aria-required-children on 1 of 1858 scanned pages (6 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/free-mind/parents/real-talk.html",
     "xpath": "#accordion-4",
     "html_snippet": "<div class=\"accordion indicator-plus accordion-white mb3\" id=\"accordion-4\" role=\"tablist\">"
    },
    {
     "url": "http://www.cdc.gov/free-mind/parents/real-talk.html",
     "xpath": "#acc-panel-4",
     "html_snippet": "<div class=\"collapse show\" id=\"acc-panel-4\" role=\"tablist\" aria-labelledby=\"acc-header-4\">"
    },
    {
     "url": "http://www.cdc.gov/free-mind/parents/real-talk.html",
     "xpath": "#accordion-5",
     "html_snippet": "<div class=\"accordion indicator-plus accordion-white mb3\" id=\"accordion-5\" role=\"tablist\">"
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/free-mind/parents/real-talk.html"
   ],
   "affected_pages": [
    "http://www.cdc.gov/free-mind/parents/real-talk.html"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "LCLA",
      "group": "Limited cognitive, language, or learning ability",
      "prevalence": 0.11,
      "percent": "11.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited cognitive, language, or learning ability (11.0%)."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/free-mind/parents/real-talk.html.",
    "Locate the element: #accordion-4",
    "Confirm the axe-core finding for rule aria-required-children against WCAG 1.3.1 Info and Relationships."
   ],
   "remediation_tip": "Add the child roles this container role requires (e.g. a list needs listitem children).",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/aria-required-children?application=axeAPI",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W25",
   "last_seen": "2026-W38",
   "weeks_seen": 12,
   "affected_pages_csv": "csv/axe-core__aria-required-children.csv"
  },
  {
   "instance_id": "VS-d0d36670",
   "pattern_id": "VS-a0bdbdf6",
   "a11y_pattern_fingerprint": "16dc632aeac0c7a43122906e8372dfdc7af4fe563901c65d12eb911a35aa6c66",
   "a11y_pattern_display_id": "A11Y-PAT-16DC632AEAC0",
   "a11y_occurrence_fingerprint": "9df831cbc35d5bf36a2065b79fb8740066703543bd3749c59050f4c351bc9397",
   "a11y_occurrence_display_id": "A11Y-OCC-9DF831CBC35D",
   "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00017426.htm",
   "xpath": "ol",
   "html_snippet": "<ol type=\"1\">",
   "wcag_sc": "1.3.1",
   "wcag_name": "Info and Relationships",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "list",
   "rule_label": "<ul> and <ol> must only directly contain <li>, <script> or <template> elements",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/list?application=axeAPI",
   "severity": "Serious",
   "frequency": {
    "instances": 47,
    "pages_affected": 21,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "<ul> and <ol> must only directly contain <li>, <script> or <template> elements (WCAG 1.3.1)",
   "description": "<ul> and <ol> must only directly contain <li>, <script> or <template> elements. Detected by axe-core rule list on 21 of 1858 scanned pages (47 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00017426.htm",
     "xpath": "ol",
     "html_snippet": "<ol type=\"1\">"
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/00015030.htm",
     "xpath": "ol:nth-child(41)",
     "html_snippet": "<ol type=\"1\">"
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/00016728.htm",
     "xpath": "ol",
     "html_snippet": "<ol type=\"1\">"
    },
    {
     "url": "http://www.cdc.gov/niosh/publications/hcp/numbered/2015-115.html",
     "xpath": ".nested-list.nested-list--letters:nth-child(9)",
     "html_snippet": "<ol class=\"nested-list nested-list--letters \">"
    },
    {
     "url": "http://www.cdc.gov/niosh/publications/hcp/numbered/2015-115.html",
     "xpath": ".nested-list.nested-list--letters:nth-child(11)",
     "html_snippet": "<ol class=\"nested-list nested-list--letters \">"
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00017426.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00015030.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00016728.htm"
   ],
   "affected_pages": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00017426.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00015030.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00016728.htm",
    "http://www.cdc.gov/niosh/publications/hcp/numbered/2015-115.html",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/rr4813a2.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00016335.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00001909.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5310a2.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00017263.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001639.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00054649.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00019820.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/ss4901a1.htm",
    "http://www.cdc.gov/niosh/bulletin/2019/breastfeeding-work.html",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00038078.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/rr5114a2.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00045580.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5137a1.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/su5301a4.htm",
    "https://www.cdc.gov/fluview/surveillance/2025-week-49.html",
    "https://cdc.gov/infection-control/hcp/healthcare-personnel-epidemiology-control/measles.html"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "LCLA",
      "group": "Limited cognitive, language, or learning ability",
      "prevalence": 0.11,
      "percent": "11.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited cognitive, language, or learning ability (11.0%)."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/mmwr/preview/mmwrhtml/00017426.htm.",
    "Locate the element: ol",
    "Confirm the axe-core finding for rule list against WCAG 1.3.1 Info and Relationships."
   ],
   "remediation_tip": "Use <ul>/<ol> with only <li> children for lists; don't fake lists with <div>s.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/list?application=axeAPI",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/axe-core__list.csv"
  },
  {
   "instance_id": "VS-653cd004",
   "pattern_id": "VS-07ba3b17",
   "a11y_pattern_fingerprint": "35bf82840dbbddb24e235c2ddbd5cf8fa96c507a6fd65a6ec38e1abea6cb1af1",
   "a11y_pattern_display_id": "A11Y-PAT-35BF82840DBB",
   "a11y_occurrence_fingerprint": "bfaac1c5d0788ef153745fdd6930d34230939866179f2583a484ae6aaea119f6",
   "a11y_occurrence_display_id": "A11Y-OCC-BFAAC1C5D078",
   "url": "https://www.cdc.gov/brfss/acbs/2011/prevalence_tables/table13.html",
   "xpath": "table",
   "html_snippet": "<table align=\"center\" border=\"1\" cellpadding=\"7\" cellspacing=\"0\" class=\"opt-in table table-bordered\">",
   "wcag_sc": "1.3.1",
   "wcag_name": "Info and Relationships",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "td-headers-attr",
   "rule_label": "Table cell headers attributes must refer to other <th> elements in the same tabl",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/td-headers-attr?application=axeAPI",
   "severity": "Serious",
   "frequency": {
    "instances": 15,
    "pages_affected": 13,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Table cell headers attributes must refer to other <th> elements in the same tabl (WCAG 1.3.1)",
   "description": "Table cell headers attributes must refer to other <th> elements in the same tabl. Detected by axe-core rule td-headers-attr on 13 of 1858 scanned pages (15 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/brfss/acbs/2011/prevalence_tables/table13.html",
     "xpath": "table",
     "html_snippet": "<table align=\"center\" border=\"1\" cellpadding=\"7\" cellspacing=\"0\" class=\"opt-in table table-bordered\">"
    },
    {
     "url": "http://www.cdc.gov/brfss/acbs/2011/prevalence_tables/table11b.html",
     "xpath": "table",
     "html_snippet": "<table align=\"center\" border=\"1\" cellpadding=\"7\" cellspacing=\"0\" class=\"opt-in table table-bordered\">"
    },
    {
     "url": "https://www.cdc.gov/asthma/nhis/2021/table2-1.htm",
     "xpath": "table",
     "html_snippet": "<table class=\"table table-striped bg-gray-l1\" summary=\"Procedure Report: Detailed and/or summarized report\" frame=\"box\" rules=\"none\" cellspacing=\"1\" cellpadding=\"7\">"
    },
    {
     "url": "http://www.cdc.gov/brfss/acbs/2010/prevalence_tables/table4a.html",
     "xpath": "table",
     "html_snippet": "<table align=\"center\" border=\"1\" cellpadding=\"7\" cellspacing=\"0\" class=\"opt-in table table-bordered\">"
    },
    {
     "url": "http://www.cdc.gov/brfss/acbs/2010/prevalence_tables/table5b.html",
     "xpath": "table",
     "html_snippet": "<table align=\"center\" border=\"1\" cellpadding=\"7\" cellspacing=\"0\" class=\"opt-in table table-bordered\">"
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/brfss/acbs/2011/prevalence_tables/table13.html",
    "http://www.cdc.gov/brfss/acbs/2011/prevalence_tables/table11b.html",
    "https://www.cdc.gov/asthma/nhis/2021/table2-1.htm"
   ],
   "affected_pages": [
    "https://www.cdc.gov/brfss/acbs/2011/prevalence_tables/table13.html",
    "http://www.cdc.gov/brfss/acbs/2011/prevalence_tables/table11b.html",
    "https://www.cdc.gov/asthma/nhis/2021/table2-1.htm",
    "http://www.cdc.gov/brfss/acbs/2010/prevalence_tables/table4a.html",
    "http://www.cdc.gov/brfss/acbs/2010/prevalence_tables/table5b.html",
    "http://www.cdc.gov/brfss/acbs/2009/prevalence_tables/table3a.html",
    "https://www.cdc.gov/asthma/nhis/2019/table4-1.htm",
    "https://www.cdc.gov/acip/grade/pneumo-PCV20-risk-based.html",
    "http://www.cdc.gov/asthma/healthcare-use/2016/table_a.html",
    "http://www.cdc.gov/brfss/acbs/2009/prevalence_tables/table12.html",
    "https://www.cdc.gov/asthma/nhis/2019/table2-1.htm",
    "http://www.cdc.gov/vaccines/hcp/imz-schedules/child-adolescent-medical-indication.html",
    "https://www.cdc.gov/brfss/acbs/2012/prevalence_tables/table11a_LLCP.html"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "LCLA",
      "group": "Limited cognitive, language, or learning ability",
      "prevalence": 0.11,
      "percent": "11.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited cognitive, language, or learning ability (11.0%)."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/brfss/acbs/2011/prevalence_tables/table13.html.",
    "Locate the element: table",
    "Confirm the axe-core finding for rule td-headers-attr against WCAG 1.3.1 Info and Relationships."
   ],
   "remediation_tip": "Associate data cells with their headers correctly using headers/id or scope.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/td-headers-attr?application=axeAPI",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W25",
   "last_seen": "2026-W38",
   "weeks_seen": 14,
   "affected_pages_csv": "csv/axe-core__td-headers-attr.csv"
  },
  {
   "instance_id": "VS-7d24023d",
   "pattern_id": "VS-6175596b",
   "a11y_pattern_fingerprint": "f57586451183db746142c741fb7d7887a4880cb00d026f924d45f2e8b4bbddaf",
   "a11y_pattern_display_id": "A11Y-PAT-F57586451183",
   "a11y_occurrence_fingerprint": "bc409a605245dd81b26fd30e74125eef6e531868331dc9637fa6040a1b12899a",
   "a11y_occurrence_display_id": "A11Y-OCC-BC409A605245",
   "url": "https://www.cdc.gov/vision-health-data/data-sources/national-survey-of-childrens-health.html",
   "xpath": ".table-row.row[role=\"row\"]:nth-child(1) > .table-col[data-col=\"2\"][role=\"cell\"] > li",
   "html_snippet": "<li>0-17</li>",
   "wcag_sc": "1.3.1",
   "wcag_name": "Info and Relationships",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "listitem",
   "rule_label": "<li> elements must be contained in a <ul> or <ol>",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/listitem?application=axeAPI",
   "severity": "Serious",
   "frequency": {
    "instances": 29,
    "pages_affected": 4,
    "total_pages_scanned": 1858
   },
   "likely_source": "unknown",
   "summary": "<li> elements must be contained in a <ul> or <ol> (WCAG 1.3.1)",
   "description": "<li> elements must be contained in a <ul> or <ol>. Detected by axe-core rule listitem on 4 of 1858 scanned pages (29 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/vision-health-data/data-sources/national-survey-of-childrens-health.html",
     "xpath": ".table-row.row[role=\"row\"]:nth-child(1) > .table-col[data-col=\"2\"][role=\"cell\"] > li",
     "html_snippet": "<li>0-17</li>"
    },
    {
     "url": "https://www.cdc.gov/vision-health-data/data-sources/national-survey-of-childrens-health.html",
     "xpath": ".table-row.row[role=\"row\"]:nth-child(2) > .table-col[data-col=\"2\"][role=\"cell\"] > li:nth-child(2)",
     "html_snippet": "<li>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nBoth sexes </li>"
    },
    {
     "url": "https://www.cdc.gov/vision-health-data/data-sources/national-survey-of-childrens-health.html",
     "xpath": ".table-row.row[role=\"row\"]:nth-child(2) > .table-col[data-col=\"2\"][role=\"cell\"] > li:nth-child(3)",
     "html_snippet": "<li>Male</li>"
    },
    {
     "url": "https://www.cdc.gov/hepatitis/hcv/guidelinesc.htm",
     "xpath": ".table-row.row[role=\"row\"]:nth-child(1) > .table-col.col-md-6[data-col=\"2\"] > li",
     "html_snippet": "<li>10101</li>"
    },
    {
     "url": "https://www.cdc.gov/hepatitis/hcv/guidelinesc.htm",
     "xpath": ".table-row.row[role=\"row\"]:nth-child(2) > .table-col.col-md-6[data-col=\"2\"] > li",
     "html_snippet": "<li>10105</li>"
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/vision-health-data/data-sources/national-survey-of-childrens-health.html",
    "https://www.cdc.gov/hepatitis/hcv/guidelinesc.htm",
    "https://www.cdc.gov/pertussis/vaccines/types.html"
   ],
   "affected_pages": [
    "https://www.cdc.gov/vision-health-data/data-sources/national-survey-of-childrens-health.html",
    "https://www.cdc.gov/hepatitis/hcv/guidelinesc.htm",
    "https://www.cdc.gov/pertussis/vaccines/types.html",
    "https://www.cdc.gov/restaurant-food-safety/php/investigations/traits-successful-investigations.html"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "LCLA",
      "group": "Limited cognitive, language, or learning ability",
      "prevalence": 0.11,
      "percent": "11.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited cognitive, language, or learning ability (11.0%)."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/vision-health-data/data-sources/national-survey-of-childrens-health.html.",
    "Locate the element: .table-row.row[role=\"row\"]:nth-child(1) > .table-col[data-col=\"2\"][role=\"cell\"] > li",
    "Confirm the axe-core finding for rule listitem against WCAG 1.3.1 Info and Relationships."
   ],
   "remediation_tip": "<li> must be inside a <ul> or <ol>.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/listitem?application=axeAPI",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/axe-core__listitem.csv"
  },
  {
   "instance_id": "VS-8689b181",
   "pattern_id": "VS-d6097011",
   "a11y_pattern_fingerprint": "d6b9b5546fd4f5e119b6f9f78e9a16cfb19199ba0a06b48bc5c61e13bb2576d7",
   "a11y_pattern_display_id": "A11Y-PAT-D6B9B5546FD4",
   "a11y_occurrence_fingerprint": "83e2f286f5dfce7d532d5964f51fdd4c28cb9404e13eb4b74f083115f0d5d8e0",
   "a11y_occurrence_display_id": "A11Y-OCC-83E2F286F5DF",
   "url": "http://www.cdc.gov/niosh/corrections/about/index.html",
   "xpath": "<ul>",
   "html_snippet": null,
   "wcag_sc": "1.3.1",
   "wcag_name": "Info and Relationships",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r68",
   "rule_label": "Presentational children of an element are not focusable",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r68",
   "severity": "Moderate",
   "frequency": {
    "instances": 509,
    "pages_affected": 52,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Presentational children of an element are not focusable (WCAG 1.3.1)",
   "description": "Presentational children of an element are not focusable. Detected by Siteimprove Alfa rule sia-r68 on 52 of 1858 scanned pages (509 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/niosh/corrections/about/index.html",
     "xpath": "<ul>",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/niosh/maritime/about/seafood-processing.html",
     "xpath": "<ul>",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/model-aquatic-health-code/php/about/creating-the-mahc.html",
     "xpath": "<ul>",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/model-aquatic-health-code/php/about/creating-the-mahc.html",
     "xpath": "<ul>",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/model-aquatic-health-code/php/about/creating-the-mahc.html",
     "xpath": "<ul>",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/niosh/corrections/about/index.html",
    "http://www.cdc.gov/niosh/maritime/about/seafood-processing.html",
    "https://www.cdc.gov/model-aquatic-health-code/php/about/creating-the-mahc.html"
   ],
   "affected_pages": [
    "http://www.cdc.gov/niosh/corrections/about/index.html",
    "http://www.cdc.gov/niosh/maritime/about/seafood-processing.html",
    "https://www.cdc.gov/model-aquatic-health-code/php/about/creating-the-mahc.html",
    "http://www.cdc.gov/listeria/outbreaks/delimeats-7-24/index.html",
    "https://www.cdc.gov/environmental-exposure-report/whats-new/whats_new_072010.html",
    "https://www.cdc.gov/fluview/surveillance/2024-week-48.html",
    "https://www.cdc.gov/model-aquatic-health-code/php/our-work/previous.html",
    "https://www.cdc.gov/niosh/rhabdo/es/signs-symptoms/signos-y-sintomas-de-rabdomiolisis-rabdo.html",
    "https://www.cdc.gov/autism/data-research/autism-data-visualization-tool.html",
    "http://www.cdc.gov/yersinia/about",
    "https://www.cdc.gov/prams/php/methodology",
    "https://www.cdc.gov/vaccines/hcp/acip-recs/vacc-specific/mmr.html",
    "https://www.cdc.gov/alcohol/fact-sheets/prevention.htm",
    "https://www.cdc.gov/control-legionella/php/wmp/common-wmp-questions.html",
    "https://www.cdc.gov/ncezid/divisions-offices/about-dhqp.html",
    "https://www.cdc.gov/measles/hcp/communication-resources/travel-mmr-flyer.html",
    "https://www.cdc.gov/valley-fever/hcp/clinical-overview/index.html",
    "https://www.cdc.gov/high-blood-pressure/living-with/index.html",
    "https://www.cdc.gov/inflammatory-bowel-disease/php/facts-stats/index.html",
    "https://www.cdc.gov/restaurant-food-safety/es/communication-resources/consejos-sobre-la-seguridad-de-los-alimentos-cuando-salga-a-comer.html",
    "http://www.cdc.gov/tb/es/communication-resources/hoja-informativa-la-tuberculosis.html",
    "http://www.cdc.gov/niosh/mining/about",
    "https://www.cdc.gov/tobacco-health-equity/collection/hispanic-latino-unfair-and-unjust.html",
    "https://www.cdc.gov/pcd/issues/2013/12_0142_es.htm",
    "http://www.cdc.gov/antimicrobial-resistance/causes/environmental-food.html"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "LCLA",
      "group": "Limited cognitive, language, or learning ability",
      "prevalence": 0.11,
      "percent": "11.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited cognitive, language, or learning ability (11.0%)."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/niosh/corrections/about/index.html.",
    "Locate the element: <ul>",
    "Confirm the Siteimprove Alfa finding for rule sia-r68 against WCAG 1.3.1 Info and Relationships."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r68",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/alfa__sia-r68.csv"
  },
  {
   "instance_id": "VS-72e2cf10",
   "pattern_id": "VS-3c632d31",
   "a11y_pattern_fingerprint": "95f8f73854c93e7764d602d36a7ad81dec6eaf9c3819be4502ed4d10bb38abd2",
   "a11y_pattern_display_id": "A11Y-PAT-95F8F73854C9",
   "a11y_occurrence_fingerprint": "571307586b7a9ee88c6a512714bc2e3b729748d52b335be0ff172cb09bc67eb8",
   "a11y_occurrence_display_id": "A11Y-OCC-571307586B7A",
   "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5310a2.htm",
   "xpath": "<h3>",
   "html_snippet": null,
   "wcag_sc": "1.3.1",
   "wcag_name": "Info and Relationships",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r64",
   "rule_label": "Element has required owned roles",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r64",
   "severity": "Moderate",
   "frequency": {
    "instances": 9,
    "pages_affected": 9,
    "total_pages_scanned": 1858
   },
   "likely_source": "unknown",
   "summary": "Element has required owned roles (WCAG 1.3.1)",
   "description": "Element has required owned roles. Detected by Siteimprove Alfa rule sia-r64 on 9 of 1858 scanned pages (9 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5310a2.htm",
     "xpath": "<h3>",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5128a5.htm",
     "xpath": "<h3>",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5126a1.htm",
     "xpath": "<h3>",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5327a2.htm",
     "xpath": "<h3>",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5313a3.htm",
     "xpath": "<h3>",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5310a2.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5128a5.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5126a1.htm"
   ],
   "affected_pages": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5310a2.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5128a5.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5126a1.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5327a2.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5313a3.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5323a1.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5342a1.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5253a4.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5617a5.htm"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "LCLA",
      "group": "Limited cognitive, language, or learning ability",
      "prevalence": 0.11,
      "percent": "11.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited cognitive, language, or learning ability (11.0%)."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5310a2.htm.",
    "Locate the element: <h3>",
    "Confirm the Siteimprove Alfa finding for rule sia-r64 against WCAG 1.3.1 Info and Relationships."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r64",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/alfa__sia-r64.csv"
  },
  {
   "instance_id": "VS-7a99b570",
   "pattern_id": "VS-4408605e",
   "a11y_pattern_fingerprint": "3d68e0c4d8385b2d0e24d9068d36c049d3376a710d2abf818274d8cd485da031",
   "a11y_pattern_display_id": "A11Y-PAT-3D68E0C4D838",
   "a11y_occurrence_fingerprint": "e82d84f52f58a9b1d6df42122e2f4b29abb1dacabbc7a9e0e987b08bf9787893",
   "a11y_occurrence_display_id": "A11Y-OCC-E82D84F52F58",
   "url": "https://www.cdc.gov/brfss/acbs/2011/prevalence_tables/table13.html",
   "xpath": "<th align=\"left\" id=\"row1 \" scope=\"row\">",
   "html_snippet": null,
   "wcag_sc": "1.3.1",
   "wcag_name": "Info and Relationships",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r46",
   "rule_label": "Element has required aria-owns",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r46",
   "severity": "Moderate",
   "frequency": {
    "instances": 167,
    "pages_affected": 7,
    "total_pages_scanned": 1858
   },
   "likely_source": "unknown",
   "summary": "Element has required aria-owns (WCAG 1.3.1)",
   "description": "Element has required aria-owns. Detected by Siteimprove Alfa rule sia-r46 on 7 of 1858 scanned pages (167 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/brfss/acbs/2011/prevalence_tables/table13.html",
     "xpath": "<th align=\"left\" id=\"row1 \" scope=\"row\">",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/brfss/acbs/2011/prevalence_tables/table13.html",
     "xpath": "<th align=\"left\" id=\"row2 \" scope=\"row\">",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/brfss/acbs/2011/prevalence_tables/table13.html",
     "xpath": "<th align=\"left\" id=\"row3 \" scope=\"row\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/brfss/acbs/2010/prevalence_tables/table5b.html",
     "xpath": "<th align=\"left\" id=\"row1 \" scope=\"row\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/brfss/acbs/2010/prevalence_tables/table5b.html",
     "xpath": "<th align=\"left\" id=\"row2 \" scope=\"row\">",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/brfss/acbs/2011/prevalence_tables/table13.html",
    "http://www.cdc.gov/brfss/acbs/2010/prevalence_tables/table5b.html",
    "https://www.cdc.gov/pcd/issues/2009/jan/07_0244.htm"
   ],
   "affected_pages": [
    "https://www.cdc.gov/brfss/acbs/2011/prevalence_tables/table13.html",
    "http://www.cdc.gov/brfss/acbs/2010/prevalence_tables/table5b.html",
    "https://www.cdc.gov/pcd/issues/2009/jan/07_0244.htm",
    "https://www.cdc.gov/brfss/acbs/2018/multiple_year/acbs_prevalence_18-20_table2a.html",
    "https://www.cdc.gov/pcd/issues/2013/12_0204.htm",
    "http://www.cdc.gov/asthma/healthcare-use/2016/table_a.html",
    "http://www.cdc.gov/brfss/acbs/2009/prevalence_tables/table12.html"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "LCLA",
      "group": "Limited cognitive, language, or learning ability",
      "prevalence": 0.11,
      "percent": "11.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited cognitive, language, or learning ability (11.0%)."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/brfss/acbs/2011/prevalence_tables/table13.html.",
    "Locate the element: <th align=\"left\" id=\"row1 \" scope=\"row\">",
    "Confirm the Siteimprove Alfa finding for rule sia-r46 against WCAG 1.3.1 Info and Relationships."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r46",
   "possible_duplicate_of": "VS-7d24023d",
   "possible_duplicate_pattern": "VS-6175596b",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W25",
   "last_seen": "2026-W38",
   "weeks_seen": 14,
   "affected_pages_csv": "csv/alfa__sia-r46.csv"
  },
  {
   "instance_id": "VS-08c2819a",
   "pattern_id": "VS-3f067795",
   "a11y_pattern_fingerprint": "38a150463d9048d00a47c1cadc32c8019afaf8a6815396462271ce11d9be07cb",
   "a11y_pattern_display_id": "A11Y-PAT-38A150463D90",
   "a11y_occurrence_fingerprint": "00b142488a50f58163fd685404cf95ef63f4fe21e51b48b165d26b969b8afe17",
   "a11y_occurrence_display_id": "A11Y-OCC-00B142488A50",
   "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
   "xpath": "<td scope=\"row\" class=\"infrequent-end-table-title\" colspan=\"16\">",
   "html_snippet": null,
   "wcag_sc": "1.3.1",
   "wcag_name": "Info and Relationships",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r77",
   "rule_label": "Table cell has header",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r77",
   "severity": "Moderate",
   "frequency": {
    "instances": 3144,
    "pages_affected": 5,
    "total_pages_scanned": 1858
   },
   "likely_source": "unknown",
   "summary": "Table cell has header (WCAG 1.3.1)",
   "description": "Table cell has header. Detected by Siteimprove Alfa rule sia-r77 on 5 of 1858 scanned pages (3144 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
     "xpath": "<td scope=\"row\" class=\"infrequent-end-table-title\" colspan=\"16\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
     "xpath": "<td scope=\"row\" class=\"infrequent-end-table-col-head\" rowspan=\"4\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
     "xpath": "<td class=\"infrequent-end-table-col-head\" colspan=\"15\">",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/fluview/surveillance/2024-week-48.html",
     "xpath": "<td style=\"width: 518px;\" scope=\"row\">",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/fluview/surveillance/2024-week-48.html",
     "xpath": "<td style=\"width: 518px;\" scope=\"row\">",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
    "https://www.cdc.gov/fluview/surveillance/2024-week-48.html",
    "https://www.cdc.gov/asthma/nhis/2021/table2-1.htm"
   ],
   "affected_pages": [
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
    "https://www.cdc.gov/fluview/surveillance/2024-week-48.html",
    "https://www.cdc.gov/asthma/nhis/2021/table2-1.htm",
    "https://www.cdc.gov/fluview/surveillance/2025-week-49.html",
    "http://www.cdc.gov/fluview/surveillance/2024-week-45.html"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "LCLA",
      "group": "Limited cognitive, language, or learning ability",
      "prevalence": 0.11,
      "percent": "11.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited cognitive, language, or learning ability (11.0%)."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w.",
    "Locate the element: <td scope=\"row\" class=\"infrequent-end-table-title\" colspan=\"16\">",
    "Confirm the Siteimprove Alfa finding for rule sia-r77 against WCAG 1.3.1 Info and Relationships."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r77",
   "possible_duplicate_of": "VS-7d24023d",
   "possible_duplicate_pattern": "VS-6175596b",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/alfa__sia-r77.csv"
  },
  {
   "instance_id": "VS-3153c7af",
   "pattern_id": "VS-9207ed51",
   "a11y_pattern_fingerprint": "3b1284da1cba49fd852ecdaa16f8123b30efc80fa09811a31294bbb62c75cc4e",
   "a11y_pattern_display_id": "A11Y-PAT-3B1284DA1CBA",
   "a11y_occurrence_fingerprint": "a36fd1e80cf926676e33167a664301490ad2f720f369d6976dfb858e0920b06e",
   "a11y_occurrence_display_id": "A11Y-OCC-A36FD1E80CF9",
   "url": "https://www.cdc.gov/brfss/acbs/2011/prevalence_tables/table13.html",
   "xpath": "@headers=\"ActivePercent row21 \"",
   "html_snippet": null,
   "wcag_sc": "1.3.1",
   "wcag_name": "Info and Relationships",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r45",
   "rule_label": "aria-hidden element is not exposed to assistive technology",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r45",
   "severity": "Moderate",
   "frequency": {
    "instances": 1168,
    "pages_affected": 5,
    "total_pages_scanned": 1858
   },
   "likely_source": "unknown",
   "summary": "aria-hidden element is not exposed to assistive technology (WCAG 1.3.1)",
   "description": "aria-hidden element is not exposed to assistive technology. Detected by Siteimprove Alfa rule sia-r45 on 5 of 1858 scanned pages (1168 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/brfss/acbs/2011/prevalence_tables/table13.html",
     "xpath": "@headers=\"ActivePercent row21 \"",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/brfss/acbs/2011/prevalence_tables/table13.html",
     "xpath": "@headers=\"ActivePercent row25 \"",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/brfss/acbs/2011/prevalence_tables/table13.html",
     "xpath": "@headers=\"ActivePercent row13 \"",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/asthma/nhis/2021/table2-1.htm",
     "xpath": "@headers=\"mexican-mexican-american 25-34\"",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/asthma/nhis/2021/table2-1.htm",
     "xpath": "@headers=\"mexican-mexican-american all-ages\"",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/brfss/acbs/2011/prevalence_tables/table13.html",
    "https://www.cdc.gov/asthma/nhis/2021/table2-1.htm",
    "http://www.cdc.gov/brfss/acbs/2010/prevalence_tables/table5b.html"
   ],
   "affected_pages": [
    "https://www.cdc.gov/brfss/acbs/2011/prevalence_tables/table13.html",
    "https://www.cdc.gov/asthma/nhis/2021/table2-1.htm",
    "http://www.cdc.gov/brfss/acbs/2010/prevalence_tables/table5b.html",
    "http://www.cdc.gov/asthma/healthcare-use/2016/table_a.html",
    "http://www.cdc.gov/brfss/acbs/2009/prevalence_tables/table12.html"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "LCLA",
      "group": "Limited cognitive, language, or learning ability",
      "prevalence": 0.11,
      "percent": "11.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited cognitive, language, or learning ability (11.0%)."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/brfss/acbs/2011/prevalence_tables/table13.html.",
    "Locate the element: @headers=\"ActivePercent row21 \"",
    "Confirm the Siteimprove Alfa finding for rule sia-r45 against WCAG 1.3.1 Info and Relationships."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r45",
   "possible_duplicate_of": "VS-7d24023d",
   "possible_duplicate_pattern": "VS-6175596b",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W25",
   "last_seen": "2026-W38",
   "weeks_seen": 13,
   "affected_pages_csv": "csv/alfa__sia-r45.csv"
  },
  {
   "instance_id": "VS-658471f3",
   "pattern_id": "VS-33b49e3b",
   "a11y_pattern_fingerprint": "8066c02dcbd7e0743ad80be8fe7d97e04a8c68099d499d61f33b40d14f33b3b6",
   "a11y_pattern_display_id": "A11Y-PAT-8066C02DCBD7",
   "a11y_occurrence_fingerprint": "ea17e7fa06a3c251640d29911c75ed7f69879e7a441e2f0199a46235b2dc7574",
   "a11y_occurrence_display_id": "A11Y-OCC-EA17E7FA06A3",
   "url": "https://www.cdc.gov/asthma/nhis/2021/table2-1.htm",
   "xpath": "<th id=\"total\">",
   "html_snippet": null,
   "wcag_sc": "1.3.1",
   "wcag_name": "Info and Relationships",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r76",
   "rule_label": "Info and Relationships",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r76",
   "severity": "Moderate",
   "frequency": {
    "instances": 1,
    "pages_affected": 1,
    "total_pages_scanned": 1858
   },
   "likely_source": "content",
   "summary": "Info and Relationships (WCAG 1.3.1)",
   "description": "Info and Relationships. Detected by Siteimprove Alfa rule sia-r76 on 1 of 1858 scanned pages (1 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/asthma/nhis/2021/table2-1.htm",
     "xpath": "<th id=\"total\">",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/asthma/nhis/2021/table2-1.htm"
   ],
   "affected_pages": [
    "https://www.cdc.gov/asthma/nhis/2021/table2-1.htm"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "LCLA",
      "group": "Limited cognitive, language, or learning ability",
      "prevalence": 0.11,
      "percent": "11.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited cognitive, language, or learning ability (11.0%)."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/asthma/nhis/2021/table2-1.htm.",
    "Locate the element: <th id=\"total\">",
    "Confirm the Siteimprove Alfa finding for rule sia-r76 against WCAG 1.3.1 Info and Relationships."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r76",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W26",
   "last_seen": "2026-W38",
   "weeks_seen": 9,
   "affected_pages_csv": "csv/alfa__sia-r76.csv"
  },
  {
   "instance_id": "VS-5ca3a17d",
   "pattern_id": "VS-8ade3360",
   "a11y_pattern_fingerprint": "c8c33d231dc95fc12b77730e79d874ff7637d4cd5f626ff1ce3a6c5cf506d5b8",
   "a11y_pattern_display_id": "A11Y-PAT-C8C33D231DC9",
   "a11y_occurrence_fingerprint": "c0b92c42ce0937c41b2fe3276d49357e9d65f6822932b6cd0aa9a0e4001843fb",
   "a11y_occurrence_display_id": "A11Y-OCC-C0B92C42CE09",
   "url": "http://www.cdc.gov/infection-control/hcp/disinfection-and-sterilization/flash-steam-sterilization-parameters.html",
   "xpath": ".all-pages",
   "html_snippet": "<a class=\"all-pages\" href=\"#toc\">All pages <span class=\"cdc-fa-arrow-down-long\"></span></a>",
   "wcag_sc": "1.4.1",
   "wcag_name": "Use of Color",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "link-in-text-block",
   "rule_label": "Links must be distinguishable without relying on color",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/link-in-text-block?application=axeAPI",
   "severity": "Serious",
   "frequency": {
    "instances": 86,
    "pages_affected": 47,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Links must be distinguishable without relying on color (WCAG 1.4.1)",
   "description": "Links must be distinguishable without relying on color. Detected by axe-core rule link-in-text-block on 47 of 1858 scanned pages (86 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/infection-control/hcp/disinfection-and-sterilization/flash-steam-sterilization-parameters.html",
     "xpath": ".all-pages",
     "html_snippet": "<a class=\"all-pages\" href=\"#toc\">All pages <span class=\"cdc-fa-arrow-down-long\"></span></a>"
    },
    {
     "url": "http://www.cdc.gov/grants/applying/tips.html",
     "xpath": ".all-pages",
     "html_snippet": "<a class=\"all-pages\" href=\"#toc\">All pages <span class=\"cdc-fa-arrow-down-long\"></span></a>"
    },
    {
     "url": "http://www.cdc.gov/iis/core-data-elements/problems.html",
     "xpath": ".all-pages",
     "html_snippet": "<a class=\"all-pages\" href=\"#toc\">All pages <span class=\"cdc-fa-arrow-down-long\"></span></a>"
    },
    {
     "url": "https://www.cdc.gov/hepatitis/php/surveillance-guidance/figures-and-tables.html",
     "xpath": ".all-pages",
     "html_snippet": "<a class=\"all-pages\" href=\"#toc\">All pages <span class=\"cdc-fa-arrow-down-long\"></span></a>"
    },
    {
     "url": "http://www.cdc.gov/healthcare-associated-infections/php/preventing-mdros/correctional-facilities.html",
     "xpath": ".all-pages",
     "html_snippet": "<a class=\"all-pages\" href=\"#toc\">All pages <span class=\"cdc-fa-arrow-down-long\"></span></a>"
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/infection-control/hcp/disinfection-and-sterilization/flash-steam-sterilization-parameters.html",
    "http://www.cdc.gov/grants/applying/tips.html",
    "http://www.cdc.gov/iis/core-data-elements/problems.html"
   ],
   "affected_pages": [
    "http://www.cdc.gov/infection-control/hcp/disinfection-and-sterilization/flash-steam-sterilization-parameters.html",
    "http://www.cdc.gov/grants/applying/tips.html",
    "http://www.cdc.gov/iis/core-data-elements/problems.html",
    "https://www.cdc.gov/hepatitis/php/surveillance-guidance/figures-and-tables.html",
    "http://www.cdc.gov/healthcare-associated-infections/php/preventing-mdros/correctional-facilities.html",
    "https://www.cdc.gov/hepatitis/statistics/2021surveillance/hepatitis-b/figure-2.8.htm",
    "https://www.cdc.gov/infection-control/hcp/environmental-control/appendix-b-air.html",
    "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-b/figure-2-5.html",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6353a2.htm?s_cid=mm6353a2_w",
    "http://www.cdc.gov/iis/core-data-elements/care-team-members.html",
    "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-c/table-3-3.html",
    "https://cdc.gov/infection-control/hcp/healthcare-personnel-epidemiology-control/rubella.html",
    "https://www.cdc.gov/infection-control/hcp/disinfection-sterilization/sterilization.html",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6326a2.htm?s_cid=mm6326a2_w",
    "https://www.cdc.gov/safe-labs/php/echo-biosafety-2023/ppe-use.html",
    "http://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-c/figure-3-2.html",
    "http://www.cdc.gov/bird-flu/avian-timeline/1880-1959.html",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/rr6004a1.htm?s_cid=rr6004a1_w",
    "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-b/table-2-4.html",
    "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-c/figure-3-5.html",
    "https://www.cdc.gov/hepatitis/statistics/2021surveillance/hepatitis-b/figure-2.6.htm",
    "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-b/table-2-2.html",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5935a4.htm",
    "https://www.cdc.gov/hearing-loss-children-guide/parents-guide/hearing-loss-and-your-child.html",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6105a5.htm?s_cid=mm6105a5_w"
   ],
   "impact": {
    "groups": [
     {
      "code": "WPC",
      "group": "Without color perception",
      "prevalence": 0.045,
      "percent": "4.5%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without color perception (4.5%), Limited vision (2.4%)."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/infection-control/hcp/disinfection-and-sterilization/flash-steam-sterilization-parameters.html.",
    "Locate the element: .all-pages",
    "Confirm the axe-core finding for rule link-in-text-block against WCAG 1.4.1 Use of Color."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/link-in-text-block?application=axeAPI",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/axe-core__link-in-text-block.csv"
  },
  {
   "instance_id": "VS-b9a997df",
   "pattern_id": "VS-c613c153",
   "a11y_pattern_fingerprint": "3ea474ff68b2e90a3ebf4c7cb1d416d23b61eadef71bfb5c66274721a86307a6",
   "a11y_pattern_display_id": "A11Y-PAT-3EA474FF68B2",
   "a11y_occurrence_fingerprint": "ffff0ea4ba6307fe5e9bd03c45c6492c2873cab51d15b7265422bf2c34a073e2",
   "a11y_occurrence_display_id": "A11Y-OCC-FFFF0EA4BA63",
   "url": "https://www.cdc.gov/fluview/surveillance/2024-week-48.html",
   "xpath": ".cdc_page_element.dfe-block--width-standard.dfe-block--cdcmodule:nth-child(5) > .dfe-block__inner > .cdc-textblock > div",
   "html_snippet": "<div style=\"overflow-x: auto;\">",
   "wcag_sc": "2.1.1",
   "wcag_name": "Keyboard",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "scrollable-region-focusable",
   "rule_label": "Scrollable region must have keyboard access",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/scrollable-region-focusable?application=axeAPI",
   "severity": "Serious",
   "frequency": {
    "instances": 34,
    "pages_affected": 16,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Scrollable region must have keyboard access (WCAG 2.1.1)",
   "description": "Scrollable region must have keyboard access. Detected by axe-core rule scrollable-region-focusable on 16 of 1858 scanned pages (34 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/fluview/surveillance/2024-week-48.html",
     "xpath": ".cdc_page_element.dfe-block--width-standard.dfe-block--cdcmodule:nth-child(5) > .dfe-block__inner > .cdc-textblock > div",
     "html_snippet": "<div style=\"overflow-x: auto;\">"
    },
    {
     "url": "https://www.cdc.gov/fluview/surveillance/2024-week-48.html",
     "xpath": ".dfe-section:nth-child(3) > .cdc_page_element.dfe-block--width-standard.dfe-block--cdcmodule:nth-child(14) > .dfe-block__inner > .cdc-textblock > div",
     "html_snippet": "<div style=\"overflow-x: auto;\">"
    },
    {
     "url": "https://www.cdc.gov/infection-control/hcp/environmental-control/appendix-b-air.html",
     "xpath": ".dfe-block--cdcmodule.dfe-block:nth-child(8) > .cdc-textblock > .table-responsive > div",
     "html_snippet": "<div style=\"overflow-x: auto;\">"
    },
    {
     "url": "https://www.cdc.gov/infection-control/hcp/environmental-control/appendix-b-air.html",
     "xpath": ".dfe-block--cdcmodule.dfe-block:nth-child(10) > .cdc-textblock > .table-responsive > div",
     "html_snippet": "<div style=\"overflow-x: auto;\">"
    },
    {
     "url": "https://www.cdc.gov/infection-control/hcp/environmental-control/appendix-b-air.html",
     "xpath": ".dfe-block--cdcmodule.dfe-block:nth-child(12) > .cdc-textblock > .table-responsive > div",
     "html_snippet": "<div style=\"overflow-x: auto;\">"
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/fluview/surveillance/2024-week-48.html",
    "https://www.cdc.gov/infection-control/hcp/environmental-control/appendix-b-air.html",
    "https://cdc.gov/nchs/data/hestat/hestat122.htm?CDC_AA_refVal=https%3A%2F%2Fwww.cdc.gov%2Fnchs%2Fupdates%2Ffeature-1.html"
   ],
   "affected_pages": [
    "https://www.cdc.gov/fluview/surveillance/2024-week-48.html",
    "https://www.cdc.gov/infection-control/hcp/environmental-control/appendix-b-air.html",
    "https://cdc.gov/nchs/data/hestat/hestat122.htm?CDC_AA_refVal=https%3A%2F%2Fwww.cdc.gov%2Fnchs%2Fupdates%2Ffeature-1.html",
    "https://www.cdc.gov/acip/GRADE/hepb.html",
    "https://www.cdc.gov/yellow-book/hcp/post-travel-evaluation/post-travel-evaluation-of-the-ill-traveler.html",
    "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-c/table-3-3.html",
    "https://www.cdc.gov/overdose-prevention/php/drug-free-communities/coalitions.html",
    "https://www.cdc.gov/prams/php/data-research/codebooks-phase-7.html",
    "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-b/table-2-4.html",
    "https://www.cdc.gov/acip/grade/pneumo-PCV20-risk-based.html",
    "https://www.cdc.gov/fluview/surveillance/2025-week-26.html",
    "http://www.cdc.gov/acip/grade/cholera-cvd-103-hgr.html",
    "https://www.cdc.gov/hepatitis-surveillance-2021/hepatitis-c/table-3-4.html",
    "https://www.cdc.gov/fluview/surveillance/2025-week-49.html",
    "http://www.cdc.gov/fluview/surveillance/2024-week-45.html",
    "https://www.cdc.gov/asthma/asthma_stats/fluvaccine-asthma-children-2018-2020.htm"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LM",
      "group": "Limited manipulation/strength",
      "prevalence": 0.13,
      "percent": "13.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LR",
      "group": "Limited reach",
      "prevalence": 0.02,
      "percent": "2.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited manipulation/strength (13.0%), Limited reach (2.0%)."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/fluview/surveillance/2024-week-48.html.",
    "Locate the element: .cdc_page_element.dfe-block--width-standard.dfe-block--cdcmodule:nth-child(5) > .dfe-block__inner > .cdc-textblock > div",
    "Confirm the axe-core finding for rule scrollable-region-focusable against WCAG 2.1.1 Keyboard."
   ],
   "remediation_tip": "Make scrollable regions keyboard-focusable (tabindex=\"0\") so keyboard users can scroll them.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/scrollable-region-focusable?application=axeAPI",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/axe-core__scrollable-region-focusable.csv"
  },
  {
   "instance_id": "VS-b6e7abc9",
   "pattern_id": "VS-58346bcf",
   "a11y_pattern_fingerprint": "3cc7bcd04dc50933296b94dbc3e21203675e21e7a68d5db16b92df3f762e2e83",
   "a11y_pattern_display_id": "A11Y-PAT-3CC7BCD04DC5",
   "a11y_occurrence_fingerprint": "c763357c56cc8ba043a60aeda938d324d6622b89aa47073317d81d68499bfff4",
   "a11y_occurrence_display_id": "A11Y-OCC-C763357C56CC",
   "url": "http://www.cdc.gov/hepatitis-surveillance-2021/about/technical-notes.html",
   "xpath": "<table class=\"table table-sm fs08 table-bordered \" style=\"width: 100%; height: 322px;\" data-preserve-inline-styles=\"true\">",
   "html_snippet": null,
   "wcag_sc": "2.1.1",
   "wcag_name": "Keyboard",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r84",
   "rule_label": "Keyboard",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r84",
   "severity": "Moderate",
   "frequency": {
    "instances": 1,
    "pages_affected": 1,
    "total_pages_scanned": 1858
   },
   "likely_source": "content",
   "summary": "Keyboard (WCAG 2.1.1)",
   "description": "Keyboard. Detected by Siteimprove Alfa rule sia-r84 on 1 of 1858 scanned pages (1 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/hepatitis-surveillance-2021/about/technical-notes.html",
     "xpath": "<table class=\"table table-sm fs08 table-bordered \" style=\"width: 100%; height: 322px;\" data-preserve-inline-styles=\"true\">",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/hepatitis-surveillance-2021/about/technical-notes.html"
   ],
   "affected_pages": [
    "http://www.cdc.gov/hepatitis-surveillance-2021/about/technical-notes.html"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LM",
      "group": "Limited manipulation/strength",
      "prevalence": 0.13,
      "percent": "13.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LR",
      "group": "Limited reach",
      "prevalence": 0.02,
      "percent": "2.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited manipulation/strength (13.0%), Limited reach (2.0%)."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/hepatitis-surveillance-2021/about/technical-notes.html.",
    "Locate the element: <table class=\"table table-sm fs08 table-bordered \" style=\"width: 100%; height: 322px;\" data-preserve-inline-styles=\"true\">",
    "Confirm the Siteimprove Alfa finding for rule sia-r84 against WCAG 2.1.1 Keyboard."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r84",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W28",
   "last_seen": "2026-W38",
   "weeks_seen": 8,
   "affected_pages_csv": "csv/alfa__sia-r84.csv"
  },
  {
   "instance_id": "VS-68d794ad",
   "pattern_id": "VS-4b45acfe",
   "a11y_pattern_fingerprint": "346f4e5a8f4253bee307cff2536568d8c33c4a9c6af51179f9afc5c8c217fd57",
   "a11y_pattern_display_id": "A11Y-PAT-346F4E5A8F42",
   "a11y_occurrence_fingerprint": "7323793396c12b8484e75432cbd6cc3fecbea131977fc78c03b091d4afa85d8c",
   "a11y_occurrence_display_id": "A11Y-OCC-7323793396C1",
   "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5415a1.htm",
   "xpath": "blink",
   "html_snippet": "<blink><big><strong>Disclaimer</strong></big></blink>",
   "wcag_sc": "2.2.2",
   "wcag_name": "Pause, Stop, Hide",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "blink",
   "rule_label": "<blink> elements are deprecated and must not be used",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/blink?application=axeAPI",
   "severity": "Serious",
   "frequency": {
    "instances": 10,
    "pages_affected": 8,
    "total_pages_scanned": 1858
   },
   "likely_source": "unknown",
   "summary": "<blink> elements are deprecated and must not be used (WCAG 2.2.2)",
   "description": "<blink> elements are deprecated and must not be used. Detected by axe-core rule blink on 8 of 1858 scanned pages (10 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5415a1.htm",
     "xpath": "blink",
     "html_snippet": "<blink><big><strong>Disclaimer</strong></big></blink>"
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5606a5.htm",
     "xpath": "blink",
     "html_snippet": "<blink><big><strong>Disclaimer</strong></big></blink>"
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/su5301a15.htm",
     "xpath": "blink",
     "html_snippet": "<blink><big><strong>Disclaimer</strong></big></blink>"
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/ss5504a2.htm",
     "xpath": "blink",
     "html_snippet": "<blink><big><strong>Disclaimer</strong></big>\n</blink>"
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/rr4910a1.htm",
     "xpath": "i > font[color=\"#FF0000\"] > blink",
     "html_snippet": "<blink><big>Please note: </big></blink>"
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5415a1.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5606a5.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/su5301a15.htm"
   ],
   "affected_pages": [
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5415a1.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5606a5.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/su5301a15.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/ss5504a2.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/rr4910a1.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5602a1.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5606a5.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5208a1.htm"
   ],
   "impact": {
    "groups": [
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "LCLA",
      "group": "Limited cognitive, language, or learning ability",
      "prevalence": 0.11,
      "percent": "11.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Limited vision (2.4%), Limited cognitive, language, or learning ability (11.0%)."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5415a1.htm.",
    "Locate the element: blink",
    "Confirm the axe-core finding for rule blink against WCAG 2.2.2 Pause, Stop, Hide."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/blink?application=axeAPI",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W25",
   "last_seen": "2026-W38",
   "weeks_seen": 14,
   "affected_pages_csv": "csv/axe-core__blink.csv"
  },
  {
   "instance_id": "VS-9b7b0d18",
   "pattern_id": "VS-e9fe47ac",
   "a11y_pattern_fingerprint": "5441ecc7d515bb7f23c1f66443211fe69bdf0974a755637ebd8bbbc224e96653",
   "a11y_pattern_display_id": "A11Y-PAT-5441ECC7D515",
   "a11y_occurrence_fingerprint": "bcef4eb30da76ff7c49036847f852910928553d881e1ccc508361339698e172a",
   "a11y_occurrence_display_id": "A11Y-OCC-BCEF4EB30DA7",
   "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
   "xpath": "table[cellpadding=\"0\"]:nth-child(2) > tbody > tr > td[width=\"140\"] > a[href$=\"cdc.gov/\"]",
   "html_snippet": "<a href=\"http://www.cdc.gov/\"><img src=\"http://www.cdc.gov/navimages/nav21.gif\" border=\"0\" alt=\" \" width=\"140\" height=\"8\"></a>",
   "wcag_sc": "2.4.4",
   "wcag_name": "Link Purpose (In Context)",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "link-name",
   "rule_label": "Links must have discernible text",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/link-name?application=axeAPI",
   "severity": "Serious",
   "frequency": {
    "instances": 438,
    "pages_affected": 141,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Links must have discernible text (WCAG 2.4.4)",
   "description": "Links must have discernible text. Detected by axe-core rule link-name on 141 of 1858 scanned pages (438 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "table[cellpadding=\"0\"]:nth-child(2) > tbody > tr > td[width=\"140\"] > a[href$=\"cdc.gov/\"]",
     "html_snippet": "<a href=\"http://www.cdc.gov/\"><img src=\"http://www.cdc.gov/navimages/nav21.gif\" border=\"0\" alt=\" \" width=\"140\" height=\"8\"></a>"
    },
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "td[rowspan=\"2\"][width=\"12\"][valign=\"top\"] > a[href$=\"cdc.gov/\"]",
     "html_snippet": "<a href=\"http://www.cdc.gov/\"><img border=\"0\" src=\"http://www.cdc.gov/navimages/nav12.gif\" alt=\" \" width=\"12\" height=\"63\"></a>"
    },
    {
     "url": "https://www.cdc.gov/pcd/issues/2010/may/09_0123.htm",
     "xpath": "table[cellpadding=\"0\"]:nth-child(2) > tbody > tr > td[width=\"140\"] > a[href$=\"cdc.gov/\"]",
     "html_snippet": "<a href=\"http://www.cdc.gov/\"><img src=\"http://www.cdc.gov/navimages/nav21.gif\" border=\"0\" alt=\" \" width=\"140\" height=\"8\"></a>"
    },
    {
     "url": "https://www.cdc.gov/pcd/issues/2010/may/09_0123.htm",
     "xpath": "td[rowspan=\"2\"][width=\"12\"][valign=\"top\"] > a[href$=\"cdc.gov/\"]",
     "html_snippet": "<a href=\"http://www.cdc.gov/\"><img border=\"0\" src=\"http://www.cdc.gov/navimages/nav12.gif\" alt=\" \" width=\"12\" height=\"63\"></a>"
    },
    {
     "url": "http://www.cdc.gov/PCD/issues/2008/apr/07_0053_es.htm",
     "xpath": "table[cellpadding=\"0\"]:nth-child(2) > tbody > tr > td[width=\"140\"] > a[href$=\"cdc.gov/\"]",
     "html_snippet": "<a href=\"http://www.cdc.gov/\"><img src=\"http://www.cdc.gov/navimages/nav21.gif\" border=\"0\" alt=\" \" width=\"140\" height=\"8\"></a>"
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "https://www.cdc.gov/pcd/issues/2010/may/09_0123.htm",
    "http://www.cdc.gov/PCD/issues/2008/apr/07_0053_es.htm"
   ],
   "affected_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "https://www.cdc.gov/pcd/issues/2010/may/09_0123.htm",
    "http://www.cdc.gov/PCD/issues/2008/apr/07_0053_es.htm",
    "https://www.cdc.gov/niosh-rtecs/KW88B80.html",
    "http://www.cdc.gov/pcd/issues/2005/apr/05_0027.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5415a1.htm",
    "http://www.cdc.gov/pcd/issues/2008/jan/07_0148_zhs.htm",
    "http://www.cdc.gov/pcd/issues/2007/oct/07_0012_fr.htm",
    "https://www.cdc.gov/pcd/issues/2009/oct/08_0226_es.htm",
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6625a5.htm?s_cid=mm6625a5_w",
    "https://www.cdc.gov/pcd/issues/2009/jul/09_0017_es.htm",
    "https://www.cdc.gov/pcd/issues/2005/apr/04_0093_zht.htm",
    "https://www.cdc.gov/pcd/issues/2005/nov/05_0058_zht.htm",
    "http://www.cdc.gov/pcd/issues/2011/jul/10_0243_es.htm",
    "https://www.cdc.gov/niosh-rtecs/VI8A61C8.html",
    "http://www.cdc.gov/pcd/issues/2006/apr/05_0215_es.htm",
    "https://www.cdc.gov/pcd/issues/2008/apr/08_0025.htm",
    "http://www.cdc.gov/pcd/issues/2007/apr/06_0105.htm",
    "https://www.cdc.gov/pcd/issues/2012/11_0305_es.htm",
    "https://www.cdc.gov/pcd/issues/2009/apr/08_0108.htm",
    "http://www.cdc.gov/pcd/issues/2009/jan/07_0199_zhs.htm",
    "http://www.cdc.gov/PCD/issues/2010/jan/08_0176_es.htm",
    "http://www.cdc.gov/vaccines/imz-managers/coverage/childvaxview/interactive-reports/index.html",
    "https://www.cdc.gov/pcd/issues/2005/nov/05_0071.htm",
    "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/mmwr/preview/ind2013_su.html"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "LCLA",
      "group": "Limited cognitive, language, or learning ability",
      "prevalence": 0.11,
      "percent": "11.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited cognitive, language, or learning ability (11.0%)."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/pcd/issues/2010/jul/toc.htm.",
    "Locate the element: table[cellpadding=\"0\"]:nth-child(2) > tbody > tr > td[width=\"140\"] > a[href$=\"cdc.gov/\"]",
    "Confirm the axe-core finding for rule link-name against WCAG 2.4.4 Link Purpose (In Context)."
   ],
   "remediation_tip": "Give the link discernible text. Avoid empty links and icon-only links without an aria-label.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/link-name?application=axeAPI",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/axe-core__link-name.csv"
  },
  {
   "instance_id": "VS-0abc5280",
   "pattern_id": "VS-28ebd979",
   "a11y_pattern_fingerprint": "030183d510a5cbd74a1f95fdac634b3e55ec733573df3560e79ad11f729ee293",
   "a11y_pattern_display_id": "A11Y-PAT-030183D510A5",
   "a11y_occurrence_fingerprint": "83a16ec9bff89f80713ab08039377705ad99cc50794d9de55040c4367ad0f18c",
   "a11y_occurrence_display_id": "A11Y-OCC-83A16EC9BFF8",
   "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
   "xpath": "<a href=\"http://www.cdc.gov/\">",
   "html_snippet": null,
   "wcag_sc": "2.4.4",
   "wcag_name": "Link Purpose (In Context)",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r11",
   "rule_label": "Link has accessible name",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r11",
   "severity": "Moderate",
   "frequency": {
    "instances": 135,
    "pages_affected": 30,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Link has accessible name (WCAG 2.4.4)",
   "description": "Link has accessible name. Detected by Siteimprove Alfa rule sia-r11 on 30 of 1858 scanned pages (135 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "<a href=\"http://www.cdc.gov/\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "<a href=\"http://www.cdc.gov/\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/pcd/issues/2007/oct/07_0012_fr.htm",
     "xpath": "<a href=\"http://www.cdc.gov/\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/pcd/issues/2007/oct/07_0012_fr.htm",
     "xpath": "<a href=\"http://www.cdc.gov/\">",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/niosh-rtecs/VI8A61C8.html",
     "xpath": "<a href=\"reference.html#\" target=\"_blank\">",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "http://www.cdc.gov/pcd/issues/2007/oct/07_0012_fr.htm",
    "https://www.cdc.gov/niosh-rtecs/VI8A61C8.html"
   ],
   "affected_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "http://www.cdc.gov/pcd/issues/2007/oct/07_0012_fr.htm",
    "https://www.cdc.gov/niosh-rtecs/VI8A61C8.html",
    "https://www.cdc.gov/pcd/issues/2008/apr/08_0025.htm",
    "https://www.cdc.gov/pcd/issues/2009/apr/08_0108.htm",
    "https://www.cdc.gov/pcd/issues/2005/nov/05_0071.htm",
    "https://www.cdc.gov/pcd/issues/2012/11_0109.htm",
    "https://www.cdc.gov/niosh-rtecs/XS501BD0.html",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5310a2.htm",
    "http://www.cdc.gov/PCD/issues/2010/may/09_0086_es.htm",
    "http://www.cdc.gov/niosh/docs/2023-107",
    "https://www.cdc.gov/pcd/issues/2008/apr/07_0220_zht.htm",
    "https://www.cdc.gov/laboratory/specimen-submission/detail.html?CDCTestCode=CDC-10142",
    "https://www.cdc.gov/niosh-rtecs/BP456D70.html",
    "https://www.cdc.gov/pcd/issues/2009/jan/07_0244.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/su5301a15.htm",
    "https://www.cdc.gov/radon/communication-resources/activity-book.html",
    "http://www.cdc.gov/pcd/issues/2006/jul/05_0207_zht.htm",
    "http://www.cdc.gov/PCD/es/2005_oct_toc.htm",
    "http://www.cdc.gov/pcd/issues/2008/oct/07_0163_fr.htm",
    "https://www.cdc.gov/pcd/issues/2008/jul/07_0155.htm",
    "https://www.cdc.gov/pcd/issues/2008/oct/08_0063_es.htm",
    "http://www.cdc.gov/pcd/issues/2008/apr/07_0045_zht.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5606a5.htm",
    "https://www.cdc.gov/pcd/issues/2017/17_0017.htm"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "LCLA",
      "group": "Limited cognitive, language, or learning ability",
      "prevalence": 0.11,
      "percent": "11.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited cognitive, language, or learning ability (11.0%)."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/pcd/issues/2010/jul/toc.htm.",
    "Locate the element: <a href=\"http://www.cdc.gov/\">",
    "Confirm the Siteimprove Alfa finding for rule sia-r11 against WCAG 2.4.4 Link Purpose (In Context)."
   ],
   "remediation_tip": "Give the link an accessible name via text content or aria-label.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r11",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/alfa__sia-r11.csv"
  },
  {
   "instance_id": "VS-65d3e804",
   "pattern_id": "VS-c126b6a6",
   "a11y_pattern_fingerprint": "ac8d0b888c4c14b5e10ec696be7b5ad5f6d7550b916f46444da824d899c55e53",
   "a11y_pattern_display_id": "A11Y-PAT-AC8D0B888C4C",
   "a11y_occurrence_fingerprint": "5cb38c9cd72a8f70d8b973bf6196fc9211fb768f400319d8a984cc5b9457e3db",
   "a11y_occurrence_display_id": "A11Y-OCC-5CB38C9CD72A",
   "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
   "xpath": "html",
   "html_snippet": "<html>",
   "wcag_sc": "3.1.1",
   "wcag_name": "Language of Page",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "html-has-lang",
   "rule_label": "<html> element must have a lang attribute",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/html-has-lang?application=axeAPI",
   "severity": "Serious",
   "frequency": {
    "instances": 334,
    "pages_affected": 334,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "<html> element must have a lang attribute (WCAG 3.1.1)",
   "description": "<html> element must have a lang attribute. Detected by axe-core rule html-has-lang on 334 of 1858 scanned pages (334 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "html",
     "html_snippet": "<html>"
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4843a5.htm",
     "xpath": "html",
     "html_snippet": "<html>"
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
     "xpath": "html",
     "html_snippet": "<html>"
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00017426.htm",
     "xpath": "html",
     "html_snippet": "<html>"
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/00017425.htm",
     "xpath": "html",
     "html_snippet": "<html>"
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4843a5.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm"
   ],
   "affected_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4843a5.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00017426.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00017425.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5114md.htm",
    "https://www.cdc.gov/pcd/issues/2010/may/09_0123.htm",
    "http://www.cdc.gov/PCD/issues/2008/apr/07_0053_es.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5033a4.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5025a2.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5402a2.htm",
    "http://www.cdc.gov/pcd/issues/2005/apr/05_0027.htm",
    "https://www.cdc.gov/flu/weekly/weeklyarchives2023-2024/data/senAllregt24.html",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5415a1.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00046714.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00019549.htm",
    "https://www.cdc.gov/flu/weekly/weeklyarchives2023-2024/ILI30.html",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00047831.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5317a3.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5505a6.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00039041.htm",
    "http://www.cdc.gov/pcd/issues/2008/jan/07_0148_zhs.htm",
    "http://www.cdc.gov/pcd/issues/2007/oct/07_0012_fr.htm",
    "https://www.cdc.gov/pcd/issues/2009/oct/08_0226_es.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4901a4.htm"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LCLA",
      "group": "Limited cognitive, language, or learning ability",
      "prevalence": 0.11,
      "percent": "11.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited cognitive, language, or learning ability (11.0%)."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/pcd/issues/2010/jul/toc.htm.",
    "Locate the element: html",
    "Confirm the axe-core finding for rule html-has-lang against WCAG 3.1.1 Language of Page."
   ],
   "remediation_tip": "Add a lang attribute to <html> (e.g. lang=\"en\").",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/html-has-lang?application=axeAPI",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/axe-core__html-has-lang.csv"
  },
  {
   "instance_id": "VS-6661100e",
   "pattern_id": "VS-7a0e5645",
   "a11y_pattern_fingerprint": "15a62be297f6df68f50c167194df21ba407373db866b13a71540cb36f3b362db",
   "a11y_pattern_display_id": "A11Y-PAT-15A62BE297F6",
   "a11y_occurrence_fingerprint": "f7a66233a9dc8d74d875c604934e39a6206173ff0f5d8d4e8ab4a7d926aaf6f8",
   "a11y_occurrence_display_id": "A11Y-OCC-F7A66233A9DC",
   "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
   "xpath": "<html>",
   "html_snippet": null,
   "wcag_sc": "3.1.1",
   "wcag_name": "Language of Page",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r4",
   "rule_label": "Document has a valid lang attribute",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r4",
   "severity": "Moderate",
   "frequency": {
    "instances": 85,
    "pages_affected": 85,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Document has a valid lang attribute (WCAG 3.1.1)",
   "description": "Document has a valid lang attribute. Detected by Siteimprove Alfa rule sia-r4 on 85 of 1858 scanned pages (85 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "<html>",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
     "xpath": "<html>",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/00017425.htm",
     "xpath": "<html>",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/00046714.htm",
     "xpath": "<html>",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00019549.htm",
     "xpath": "<html>",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00017425.htm"
   ],
   "affected_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00017425.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00046714.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00019549.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5505a6.htm",
    "http://www.cdc.gov/pcd/issues/2007/oct/07_0012_fr.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00015030.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00016693.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00016754.htm",
    "https://www.cdc.gov/pcd/issues/2008/apr/08_0025.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5438a3.htm",
    "https://www.cdc.gov/pcd/issues/2009/apr/08_0108.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5640a4.htm",
    "https://www.cdc.gov/pcd/issues/2005/nov/05_0071.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5013a4.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00001905.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5030a4.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5412md.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00046702.htm",
    "https://www.cdc.gov/mmwR/preview/mmwrhtml/mm5738a1.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5310a2.htm",
    "http://www.cdc.gov/PCD/issues/2010/may/09_0086_es.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/ss5601a1.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00054287.htm"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LCLA",
      "group": "Limited cognitive, language, or learning ability",
      "prevalence": 0.11,
      "percent": "11.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited cognitive, language, or learning ability (11.0%)."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/pcd/issues/2010/jul/toc.htm.",
    "Locate the element: <html>",
    "Confirm the Siteimprove Alfa finding for rule sia-r4 against WCAG 3.1.1 Language of Page."
   ],
   "remediation_tip": "Add a valid lang attribute to <html>.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r4",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/alfa__sia-r4.csv"
  },
  {
   "instance_id": "VS-2971dd61",
   "pattern_id": "VS-fafffee0",
   "a11y_pattern_fingerprint": "b846104176b1b106aa395e757c97c45eeffb6fdc5968f528a3613d03a505e21d",
   "a11y_pattern_display_id": "A11Y-PAT-B846104176B1",
   "a11y_occurrence_fingerprint": "1bab1bc6f3b0d31c6b874318971a54290d8629e5cff90c5f59a3fc22116255cd",
   "a11y_occurrence_display_id": "A11Y-OCC-1BAB1BC6F3B0",
   "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
   "xpath": "#searchBox",
   "html_snippet": "<input id=\"searchBox\" class=\"searchBox\" name=\"query\" maxlength=\"256\" type=\"text\" style=\"width: 230px;\">",
   "wcag_sc": "4.1.2",
   "wcag_name": "Name, Role, Value",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "label",
   "rule_label": "Form elements must have labels",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/label?application=axeAPI",
   "severity": "Critical",
   "frequency": {
    "instances": 104,
    "pages_affected": 101,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Form elements must have labels (WCAG 4.1.2)",
   "description": "Form elements must have labels. Detected by axe-core rule label on 101 of 1858 scanned pages (104 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
     "xpath": "#searchBox",
     "html_snippet": "<input id=\"searchBox\" class=\"searchBox\" name=\"query\" maxlength=\"256\" type=\"text\" style=\"width: 230px;\">"
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6016md.htm?s_cid=mm6016md_w",
     "xpath": "#searchBox",
     "html_snippet": "<input id=\"searchBox\" class=\"searchBox\" name=\"query\" maxlength=\"256\" type=\"text\" style=\"width: 230px;\">"
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6034a2.htm",
     "xpath": "#searchBox",
     "html_snippet": "<input id=\"searchBox\" class=\"searchBox\" name=\"query\" maxlength=\"256\" type=\"text\" style=\"width: 230px;\">"
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6348a1.htm?s_cid=mm6348a1_w",
     "xpath": "#searchBox",
     "html_snippet": "<input id=\"searchBox\" class=\"searchBox\" name=\"query\" maxlength=\"256\" type=\"text\" style=\"width: 230px;\">"
    },
    {
     "url": "http://www.cdc.gov/niosh/chestradiography/php/breader/index.html",
     "xpath": "#lastname_US",
     "html_snippet": "<input id=\"lastname_US\" class=\"ReaderSearchInput\" maxlength=\"30\" name=\"lastname\" size=\"30\" type=\"text\">"
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6016md.htm?s_cid=mm6016md_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6034a2.htm"
   ],
   "affected_pages": [
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6016md.htm?s_cid=mm6016md_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6034a2.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6348a1.htm?s_cid=mm6348a1_w",
    "http://www.cdc.gov/niosh/chestradiography/php/breader/index.html",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6416a6.htm?s_cid=mm6416a6_w",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5923md.htm?s_cid=mm5923md_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6002a1.htm?s_cid=mm6002a1_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6008a9.htm?s_cid=mm6008a9_w",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6422a3.htm?s_cid=mm6422a3_w",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5950a6.htm?s_cid=mm5950a6_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6338a6.htm?s_cid=mm6338a6_w",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6424a4.htm?s_cid=mm6424a4_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6439a11.htm?s_cid=mm6439a11_w",
    "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/mmwr/preview/ind2013_su.html",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5952md.htm?s_cid=mm5952md_w",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6433a3.htm?s_cid=mm6433a3_e",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6353a2.htm?s_cid=mm6353a2_w",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/su6004a14.htm?s_cid=su6004a14_w",
    "http://www.cdc.gov/mmwr/index2012.html",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6328md.htm?s_cid=mm6328md_w",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5905md.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6134a2.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6445a7.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6316a9.htm?s_cid=mm6316a9_w"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "LM",
      "group": "Limited manipulation/strength",
      "prevalence": 0.13,
      "percent": "13.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited manipulation/strength (13.0%)."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w.",
    "Locate the element: #searchBox",
    "Confirm the axe-core finding for rule label against WCAG 4.1.2 Name, Role, Value."
   ],
   "remediation_tip": "Associate every form control with a <label> (via for/id) or an aria-label/aria-labelledby.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/label?application=axeAPI",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/axe-core__label.csv"
  },
  {
   "instance_id": "VS-f2651e80",
   "pattern_id": "VS-fab92378",
   "a11y_pattern_fingerprint": "1b678a3df0abd56598ecd202c70663fea1904f7e97b56192c66c0a50168b16ed",
   "a11y_pattern_display_id": "A11Y-PAT-1B678A3DF0AB",
   "a11y_occurrence_fingerprint": "814b7afb7987b32f0ba14942b07c0845386b04732d2863e5fe37cb466b4aebe2",
   "a11y_occurrence_display_id": "A11Y-OCC-814B7AFB7987",
   "url": "http://www.cdc.gov/niosh/chestradiography/php/breader/index.html",
   "xpath": "#state_US",
   "html_snippet": "<select id=\"state_US\" class=\"ReaderSearchInput\" name=\"state\" size=\"1\">",
   "wcag_sc": "4.1.2",
   "wcag_name": "Name, Role, Value",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "select-name",
   "rule_label": "Select element must have an accessible name",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/select-name?application=axeAPI",
   "severity": "Critical",
   "frequency": {
    "instances": 20,
    "pages_affected": 6,
    "total_pages_scanned": 1858
   },
   "likely_source": "unknown",
   "summary": "Select element must have an accessible name (WCAG 4.1.2)",
   "description": "Select element must have an accessible name. Detected by axe-core rule select-name on 6 of 1858 scanned pages (20 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/niosh/chestradiography/php/breader/index.html",
     "xpath": "#state_US",
     "html_snippet": "<select id=\"state_US\" class=\"ReaderSearchInput\" name=\"state\" size=\"1\">"
    },
    {
     "url": "http://www.cdc.gov/niosh/chestradiography/php/breader/index.html",
     "xpath": "#sortkey_US",
     "html_snippet": "<select id=\"sortkey_US\" class=\"ReaderSearchInput\" name=\"sortkey\" size=\"1\"><option value=\"name\">Reader’s Name</option><option selected=\"\" value=\"state\">State</option></select>"
    },
    {
     "url": "http://www.cdc.gov/niosh/chestradiography/php/breader/index.html",
     "xpath": "#sortkey_Intl",
     "html_snippet": "<select id=\"sortkey_Intl\" class=\"ReaderSearchInput\" name=\"sortkey\" size=\"1\"><option value=\"name\">Reader’s Name</option><option selected=\"\" value=\"country\">Country</option>&amp;nbsp</select>"
    },
    {
     "url": "http://www.cdc.gov/wtc/contact.html",
     "xpath": ".topicSelect",
     "html_snippet": "<select class=\"form-control form-select w-50 my-3 topicSelect\">"
    },
    {
     "url": "http://www.cdc.gov/nchs/products/databriefs.htm",
     "xpath": "#year_group",
     "html_snippet": "<select id=\"year_group\" class=\"filter_dropdowns\" style=\"width:100%\">"
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/niosh/chestradiography/php/breader/index.html",
    "http://www.cdc.gov/wtc/contact.html",
    "http://www.cdc.gov/nchs/products/databriefs.htm"
   ],
   "affected_pages": [
    "http://www.cdc.gov/niosh/chestradiography/php/breader/index.html",
    "http://www.cdc.gov/wtc/contact.html",
    "http://www.cdc.gov/nchs/products/databriefs.htm",
    "https://www.cdc.gov/nchs/hus/data-finder.htm?subject=Functional+limitation",
    "https://www.cdc.gov/nchs/products/nhsr.htm",
    "https://www.cdc.gov/nchs/hus/data-finder.htm?population=Older+adults"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "LM",
      "group": "Limited manipulation/strength",
      "prevalence": 0.13,
      "percent": "13.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited manipulation/strength (13.0%)."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/niosh/chestradiography/php/breader/index.html.",
    "Locate the element: #state_US",
    "Confirm the axe-core finding for rule select-name against WCAG 4.1.2 Name, Role, Value."
   ],
   "remediation_tip": "Give the <select> an accessible name via a <label> or aria-label.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/select-name?application=axeAPI",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W25",
   "last_seen": "2026-W38",
   "weeks_seen": 14,
   "affected_pages_csv": "csv/axe-core__select-name.csv"
  },
  {
   "instance_id": "VS-baec1b22",
   "pattern_id": "VS-e7298c00",
   "a11y_pattern_fingerprint": "095f54c0b24de11ec3836ef39dc6231135d8b1bcc5921826d1783d64ad0ee68d",
   "a11y_pattern_display_id": "A11Y-PAT-095F54C0B24D",
   "a11y_occurrence_fingerprint": "18b0ea611dc9aa6cd44f6614eeb7c50570954bbf2e661c3441169ba4b6c59d46",
   "a11y_occurrence_display_id": "A11Y-OCC-18B0EA611DC9",
   "url": "https://www.cdc.gov/hiv/about?CDC_AAref_Val=https%3A%2F%2Fwww.cdc.gov%2Fhiv%2Fbasics%2Fwhatishiv.html",
   "xpath": "#search__icon",
   "html_snippet": "<button id=\"search__icon\" class=\"c-search__icon\"></button>",
   "wcag_sc": "4.1.2",
   "wcag_name": "Name, Role, Value",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "button-name",
   "rule_label": "Buttons must have discernible text",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/button-name?application=axeAPI",
   "severity": "Critical",
   "frequency": {
    "instances": 2,
    "pages_affected": 2,
    "total_pages_scanned": 1858
   },
   "likely_source": "content",
   "summary": "Buttons must have discernible text (WCAG 4.1.2)",
   "description": "Buttons must have discernible text. Detected by axe-core rule button-name on 2 of 1858 scanned pages (2 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/hiv/about?CDC_AAref_Val=https%3A%2F%2Fwww.cdc.gov%2Fhiv%2Fbasics%2Fwhatishiv.html",
     "xpath": "#search__icon",
     "html_snippet": "<button id=\"search__icon\" class=\"c-search__icon\"></button>"
    },
    {
     "url": "https://www.cdc.gov/hiv/about/index.html",
     "xpath": "#search__icon",
     "html_snippet": "<button id=\"search__icon\" class=\"c-search__icon\"></button>"
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/hiv/about?CDC_AAref_Val=https%3A%2F%2Fwww.cdc.gov%2Fhiv%2Fbasics%2Fwhatishiv.html",
    "https://www.cdc.gov/hiv/about/index.html"
   ],
   "affected_pages": [
    "https://www.cdc.gov/hiv/about?CDC_AAref_Val=https%3A%2F%2Fwww.cdc.gov%2Fhiv%2Fbasics%2Fwhatishiv.html",
    "https://www.cdc.gov/hiv/about/index.html"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "LM",
      "group": "Limited manipulation/strength",
      "prevalence": 0.13,
      "percent": "13.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited manipulation/strength (13.0%)."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/hiv/about?CDC_AAref_Val=https%3A%2F%2Fwww.cdc.gov%2Fhiv%2Fbasics%2Fwhatishiv.html.",
    "Locate the element: #search__icon",
    "Confirm the axe-core finding for rule button-name against WCAG 4.1.2 Name, Role, Value."
   ],
   "remediation_tip": "Give the button an accessible name via its text content, aria-label, or aria-labelledby.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/button-name?application=axeAPI",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W26",
   "last_seen": "2026-W38",
   "weeks_seen": 10,
   "affected_pages_csv": "csv/axe-core__button-name.csv"
  },
  {
   "instance_id": "VS-d12ffc71",
   "pattern_id": "VS-5c82bd60",
   "a11y_pattern_fingerprint": "256fc81f5c52dd9555cf6d041047aa4cf19d934068de617aee4dcdc3c0664bca",
   "a11y_pattern_display_id": "A11Y-PAT-256FC81F5C52",
   "a11y_occurrence_fingerprint": "9b7a68173b8f47d8bf3816bd97a79b0cd1f67c4d70c0aa08a245002886cefc88",
   "a11y_occurrence_display_id": "A11Y-OCC-9B7A68173B8F",
   "url": "https://www.cdc.gov/children-mental-health/es/data-research/datos-y-estadisticas-sobre-la-salud-mental-de-los-ninos.html",
   "xpath": "th[aria-labelledby=\":r3:-heading-0\"] > .sort-icon[role=\"button\"]",
   "html_snippet": "<span role=\"button\" class=\"sort-icon\"><svg class=\"up\" xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 10 5\"><path d=\"M0 5l5-5 5 5z\"></path></svg><svg class=\"down\" xmlns=\"http://www.w3.org/2000/svg\" vi",
   "wcag_sc": "4.1.2",
   "wcag_name": "Name, Role, Value",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "aria-command-name",
   "rule_label": "ARIA commands must have an accessible name",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/aria-command-name?application=axeAPI",
   "severity": "Serious",
   "frequency": {
    "instances": 82,
    "pages_affected": 7,
    "total_pages_scanned": 1858
   },
   "likely_source": "unknown",
   "summary": "ARIA commands must have an accessible name (WCAG 4.1.2)",
   "description": "ARIA commands must have an accessible name. Detected by axe-core rule aria-command-name on 7 of 1858 scanned pages (82 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/children-mental-health/es/data-research/datos-y-estadisticas-sobre-la-salud-mental-de-los-ninos.html",
     "xpath": "th[aria-labelledby=\":r3:-heading-0\"] > .sort-icon[role=\"button\"]",
     "html_snippet": "<span role=\"button\" class=\"sort-icon\"><svg class=\"up\" xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 10 5\"><path d=\"M0 5l5-5 5 5z\"></path></svg><svg class=\"down\" xmlns=\"http://www.w3.org/2000/svg\" vi"
    },
    {
     "url": "https://www.cdc.gov/children-mental-health/es/data-research/datos-y-estadisticas-sobre-la-salud-mental-de-los-ninos.html",
     "xpath": "th[aria-labelledby=\":r3:-heading-1\"] > .sort-icon[role=\"button\"]",
     "html_snippet": "<span role=\"button\" class=\"sort-icon\"><svg class=\"up\" xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 10 5\"><path d=\"M0 5l5-5 5 5z\"></path></svg><svg class=\"down\" xmlns=\"http://www.w3.org/2000/svg\" vi"
    },
    {
     "url": "https://www.cdc.gov/children-mental-health/es/data-research/datos-y-estadisticas-sobre-la-salud-mental-de-los-ninos.html",
     "xpath": "th[aria-labelledby=\":r3:-heading-2\"] > .sort-icon[role=\"button\"]",
     "html_snippet": "<span role=\"button\" class=\"sort-icon\"><svg class=\"up\" xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 10 5\"><path d=\"M0 5l5-5 5 5z\"></path></svg><svg class=\"down\" xmlns=\"http://www.w3.org/2000/svg\" vi"
    },
    {
     "url": "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-b/figure-2-5.html",
     "xpath": "th[aria-labelledby=\":r3:-heading-0\"] > .sort-icon[role=\"button\"]",
     "html_snippet": "<span role=\"button\" class=\"sort-icon\"><svg class=\"up\" xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 10 5\"><path d=\"M0 5l5-5 5 5z\"></path></svg><svg class=\"down\" xmlns=\"http://www.w3.org/2000/svg\" vi"
    },
    {
     "url": "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-b/figure-2-5.html",
     "xpath": "th[aria-labelledby=\":r3:-heading-1\"] > .sort-icon[role=\"button\"]",
     "html_snippet": "<span role=\"button\" class=\"sort-icon\"><svg class=\"up\" xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 10 5\"><path d=\"M0 5l5-5 5 5z\"></path></svg><svg class=\"down\" xmlns=\"http://www.w3.org/2000/svg\" vi"
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/children-mental-health/es/data-research/datos-y-estadisticas-sobre-la-salud-mental-de-los-ninos.html",
    "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-b/figure-2-5.html",
    "https://www.cdc.gov/ebola/situation-summary/about-current-outbreak.html"
   ],
   "affected_pages": [
    "https://www.cdc.gov/children-mental-health/es/data-research/datos-y-estadisticas-sobre-la-salud-mental-de-los-ninos.html",
    "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-b/figure-2-5.html",
    "https://www.cdc.gov/ebola/situation-summary/about-current-outbreak.html",
    "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-c/figure-3-5.html",
    "https://www.cdc.gov/hepatitis/statistics/2021surveillance/hepatitis-b/figure-2.6.htm",
    "https://www.cdc.gov/ems-community-paramedicine/php/us/disparities.html",
    "http://www.cdc.gov/hepatitis-surveillance-2021/hepatitis-b/figure-2-4.html"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "LM",
      "group": "Limited manipulation/strength",
      "prevalence": 0.13,
      "percent": "13.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited manipulation/strength (13.0%)."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/children-mental-health/es/data-research/datos-y-estadisticas-sobre-la-salud-mental-de-los-ninos.html.",
    "Locate the element: th[aria-labelledby=\":r3:-heading-0\"] > .sort-icon[role=\"button\"]",
    "Confirm the axe-core finding for rule aria-command-name against WCAG 4.1.2 Name, Role, Value."
   ],
   "remediation_tip": "Give the command (button/link/menuitem) an accessible name via text or aria-label.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/aria-command-name?application=axeAPI",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/axe-core__aria-command-name.csv"
  },
  {
   "instance_id": "VS-99ea0594",
   "pattern_id": "VS-3f76c7ea",
   "a11y_pattern_fingerprint": "4446a4192ad8bc9092972ff1020dc460489e9c98533f247260b52a329aa0f150",
   "a11y_pattern_display_id": "A11Y-PAT-4446A4192AD8",
   "a11y_occurrence_fingerprint": "7a288c2420e2dc26cb65ba4db02f15cf404057267437872623145dc3ed741706",
   "a11y_occurrence_display_id": "A11Y-OCC-7A288C2420E2",
   "url": "http://www.cdc.gov/antimicrobial-resistance/causes/environmental-food.html",
   "xpath": "div[data-yt-id=\"AJhLlkX6j-s\"] > iframe[allowfullscreen=\"allowfullscreen\"][title=\"\"]",
   "html_snippet": "<iframe src=\"//www.youtube-nocookie.com/embed/AJhLlkX6j-s?autohide=0&enablejsapi=1&modestbranding=1&rel=0&origin=https://www.cdc.gov?autohide=0&enablejsapi=1&modestbranding=1&rel=0&origin=https://www.",
   "wcag_sc": "4.1.2",
   "wcag_name": "Name, Role, Value",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "frame-title",
   "rule_label": "Frames must have an accessible name",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/frame-title?application=axeAPI",
   "severity": "Serious",
   "frequency": {
    "instances": 15,
    "pages_affected": 7,
    "total_pages_scanned": 1858
   },
   "likely_source": "unknown",
   "summary": "Frames must have an accessible name (WCAG 4.1.2)",
   "description": "Frames must have an accessible name. Detected by axe-core rule frame-title on 7 of 1858 scanned pages (15 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/antimicrobial-resistance/causes/environmental-food.html",
     "xpath": "div[data-yt-id=\"AJhLlkX6j-s\"] > iframe[allowfullscreen=\"allowfullscreen\"][title=\"\"]",
     "html_snippet": "<iframe src=\"//www.youtube-nocookie.com/embed/AJhLlkX6j-s?autohide=0&enablejsapi=1&modestbranding=1&rel=0&origin=https://www.cdc.gov?autohide=0&enablejsapi=1&modestbranding=1&rel=0&origin=https://www."
    },
    {
     "url": "http://www.cdc.gov/antimicrobial-resistance/causes/environmental-food.html",
     "xpath": "div[data-yt-id=\"tr5EgQBc770\"] > iframe[allowfullscreen=\"allowfullscreen\"][title=\"\"]",
     "html_snippet": "<iframe src=\"//www.youtube-nocookie.com/embed/tr5EgQBc770?autohide=0&enablejsapi=1&modestbranding=1&rel=0&origin=https://www.cdc.gov?autohide=0&enablejsapi=1&modestbranding=1&rel=0&origin=https://www."
    },
    {
     "url": "http://www.cdc.gov/niosh/noise/es/about/aplicacion-de-niosh-para-medir-el-nivel-de-sonido.html",
     "xpath": "div[data-yt-id=\"Uk-7KPERpVc\"] > iframe[allowfullscreen=\"allowfullscreen\"][title=\"\"]",
     "html_snippet": "<iframe src=\"//www.youtube-nocookie.com/embed/Uk-7KPERpVc?autohide=0&enablejsapi=1&modestbranding=1&rel=0&origin=https://www.cdc.gov?autohide=0&enablejsapi=1&modestbranding=1&rel=0&origin=https://www."
    },
    {
     "url": "http://www.cdc.gov/niosh/noise/es/about/aplicacion-de-niosh-para-medir-el-nivel-de-sonido.html",
     "xpath": "div[data-yt-id=\"zk07tLj_SDs\"] > iframe[allowfullscreen=\"allowfullscreen\"][title=\"\"]",
     "html_snippet": "<iframe src=\"//www.youtube-nocookie.com/embed/zk07tLj_SDs?autohide=0&enablejsapi=1&modestbranding=1&rel=0&origin=https://www.cdc.gov?autohide=0&enablejsapi=1&modestbranding=1&rel=0&origin=https://www."
    },
    {
     "url": "https://www.cdc.gov/stophivtogether/prepared/index.html?s_cid=so_togetherconsumertk0348",
     "xpath": "#slick-slide00 > .embed-responsive.embed-responsive-16by9 > .embed-responsive-item[width=\"560\"][height=\"315\"]",
     "html_snippet": "<iframe class=\"embed-responsive-item\" width=\"560\" height=\"315\" src=\"//www.youtube-nocookie.com/embed/8Vfx7fgLYcc?cc_load_policy=1&wmode=opaque&rel=0?enablejsapi=1&enablejsapi=1\" frameborder=\"0\" allow="
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/antimicrobial-resistance/causes/environmental-food.html",
    "http://www.cdc.gov/niosh/noise/es/about/aplicacion-de-niosh-para-medir-el-nivel-de-sonido.html",
    "https://www.cdc.gov/stophivtogether/prepared/index.html?s_cid=so_togetherconsumertk0348"
   ],
   "affected_pages": [
    "http://www.cdc.gov/antimicrobial-resistance/causes/environmental-food.html",
    "http://www.cdc.gov/niosh/noise/es/about/aplicacion-de-niosh-para-medir-el-nivel-de-sonido.html",
    "https://www.cdc.gov/stophivtogether/prepared/index.html?s_cid=so_togetherconsumertk0348",
    "https://www.cdc.gov/pcd/issues/2020/19_0286.htm",
    "https://www.cdc.gov/thalassemia/communication-resources/video-series-on-living-with-thalassemia.html",
    "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/clean-hands/hcp/training/index.html",
    "http://www.cdc.gov/cancer/features/breast-cancer.html"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "LM",
      "group": "Limited manipulation/strength",
      "prevalence": 0.13,
      "percent": "13.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited manipulation/strength (13.0%)."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/antimicrobial-resistance/causes/environmental-food.html.",
    "Locate the element: div[data-yt-id=\"AJhLlkX6j-s\"] > iframe[allowfullscreen=\"allowfullscreen\"][title=\"\"]",
    "Confirm the axe-core finding for rule frame-title against WCAG 4.1.2 Name, Role, Value."
   ],
   "remediation_tip": "Give every <iframe> a descriptive title attribute.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/frame-title?application=axeAPI",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/axe-core__frame-title.csv"
  },
  {
   "instance_id": "VS-1fc9862e",
   "pattern_id": "VS-58301a87",
   "a11y_pattern_fingerprint": "792618741fbc93c82ee1e05e5d6e4fd2698618c955ce3b14283aded34358e937",
   "a11y_pattern_display_id": "A11Y-PAT-792618741FBC",
   "a11y_occurrence_fingerprint": "f4ddcef6fe4b6a2811c248bfece9a1067b2be547ed7e2612ee6060b8011e7638",
   "a11y_occurrence_display_id": "A11Y-OCC-F4DDCEF6FE4B",
   "url": "http://www.cdc.gov/tobacco/campaign/tips/spanish/poblaciones/indoamericanos-o-nativos-de-alaska.html",
   "xpath": "#acc-header-2",
   "html_snippet": "<div class=\"card-header h4 bg-white rounded-0 collapsed\" role=\"tab\" id=\"acc-header-2\" href=\"#acc-panel-2\" data-toggle=\"collapse\" data-parent=\"#accordion-2\" aria-controls=\"acc-panel-2\" aria-expanded=\"f",
   "wcag_sc": "4.1.2",
   "wcag_name": "Name, Role, Value",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "nested-interactive",
   "rule_label": "Interactive controls must not be nested",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/nested-interactive?application=axeAPI",
   "severity": "Serious",
   "frequency": {
    "instances": 15,
    "pages_affected": 5,
    "total_pages_scanned": 1858
   },
   "likely_source": "unknown",
   "summary": "Interactive controls must not be nested (WCAG 4.1.2)",
   "description": "Interactive controls must not be nested. Detected by axe-core rule nested-interactive on 5 of 1858 scanned pages (15 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/tobacco/campaign/tips/spanish/poblaciones/indoamericanos-o-nativos-de-alaska.html",
     "xpath": "#acc-header-2",
     "html_snippet": "<div class=\"card-header h4 bg-white rounded-0 collapsed\" role=\"tab\" id=\"acc-header-2\" href=\"#acc-panel-2\" data-toggle=\"collapse\" data-parent=\"#accordion-2\" aria-controls=\"acc-panel-2\" aria-expanded=\"f"
    },
    {
     "url": "https://www.cdc.gov/tb/statistics/reports/2022/state_local_data.htm",
     "xpath": "#acc-header-5",
     "html_snippet": "<div class=\"card-header h4 bg-white rounded-0 collapsed\" role=\"tab\" id=\"acc-header-5\" href=\"#acc-panel-5\" data-toggle=\"collapse\" data-parent=\"#accordion-5\" aria-controls=\"acc-panel-5\" aria-expanded=\"f"
    },
    {
     "url": "https://www.cdc.gov/tb/statistics/reports/2022/state_local_data.htm",
     "xpath": "#acc-header-6",
     "html_snippet": "<div class=\"card-header h4 bg-white rounded-0 collapsed\" role=\"tab\" id=\"acc-header-6\" href=\"#acc-panel-6\" data-toggle=\"collapse\" data-parent=\"#accordion-6\" aria-controls=\"acc-panel-6\" aria-expanded=\"f"
    },
    {
     "url": "https://www.cdc.gov/tb/statistics/reports/2022/state_local_data.htm",
     "xpath": "#acc-header-7",
     "html_snippet": "<div class=\"card-header h4 bg-white rounded-0 collapsed\" role=\"tab\" id=\"acc-header-7\" href=\"#acc-panel-7\" data-toggle=\"collapse\" data-parent=\"#accordion-7\" aria-controls=\"acc-panel-7\" aria-expanded=\"f"
    },
    {
     "url": "https://www.cdc.gov/diabetes/burden-toolkit/state-burden-toolkit-mortality.html",
     "xpath": ".cove-prose > .btn-primary.btn",
     "html_snippet": "<button class=\"btn btn-primary\" style=\"line-height: 1.4em;\">"
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/tobacco/campaign/tips/spanish/poblaciones/indoamericanos-o-nativos-de-alaska.html",
    "https://www.cdc.gov/tb/statistics/reports/2022/state_local_data.htm",
    "https://www.cdc.gov/diabetes/burden-toolkit/state-burden-toolkit-mortality.html"
   ],
   "affected_pages": [
    "http://www.cdc.gov/tobacco/campaign/tips/spanish/poblaciones/indoamericanos-o-nativos-de-alaska.html",
    "https://www.cdc.gov/tb/statistics/reports/2022/state_local_data.htm",
    "https://www.cdc.gov/diabetes/burden-toolkit/state-burden-toolkit-mortality.html",
    "http://www.cdc.gov/free-mind/parents/real-talk.html",
    "https://www.cdc.gov/niosh/learning/publichealthburnoutprevention/module-1/outline.html"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "LM",
      "group": "Limited manipulation/strength",
      "prevalence": 0.13,
      "percent": "13.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited manipulation/strength (13.0%)."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/tobacco/campaign/tips/spanish/poblaciones/indoamericanos-o-nativos-de-alaska.html.",
    "Locate the element: #acc-header-2",
    "Confirm the axe-core finding for rule nested-interactive against WCAG 4.1.2 Name, Role, Value."
   ],
   "remediation_tip": "Don't nest interactive controls (e.g. a button inside a link); split them apart.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/nested-interactive?application=axeAPI",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/axe-core__nested-interactive.csv"
  },
  {
   "instance_id": "VS-5c24038d",
   "pattern_id": "VS-a48e6078",
   "a11y_pattern_fingerprint": "4909ff3ad2711b3461b9d91a3354a3d50a1718bc2d14e25522ca0afbde2ee4c7",
   "a11y_pattern_display_id": "A11Y-PAT-4909FF3AD271",
   "a11y_occurrence_fingerprint": "ae8033135a26c9f6e6aee50cf7dc65bf6490fe6f04c5e5a3d1e142ca49cd0117",
   "a11y_occurrence_display_id": "A11Y-OCC-AE8033135A26",
   "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
   "xpath": "<input id=\"searchBox\" class=\"searchBox\" name=\"query\" maxlength=\"256\">",
   "html_snippet": null,
   "wcag_sc": "4.1.2",
   "wcag_name": "Name, Role, Value",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r8",
   "rule_label": "Form field has accessible name",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r8",
   "severity": "Moderate",
   "frequency": {
    "instances": 32,
    "pages_affected": 22,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Form field has accessible name (WCAG 4.1.2)",
   "description": "Form field has accessible name. Detected by Siteimprove Alfa rule sia-r8 on 22 of 1858 scanned pages (32 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
     "xpath": "<input id=\"searchBox\" class=\"searchBox\" name=\"query\" maxlength=\"256\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6439a11.htm?s_cid=mm6439a11_w",
     "xpath": "<input id=\"searchBox\" class=\"searchBox\" name=\"query\" maxlength=\"256\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5952md.htm?s_cid=mm5952md_w",
     "xpath": "<input id=\"searchBox\" class=\"searchBox\" name=\"query\" maxlength=\"256\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/wtc/contact.html",
     "xpath": "<select class=\"form-control form-select w-50 my-3 topicSelect\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6340a5.htm",
     "xpath": "<input id=\"searchBox\" class=\"searchBox\" name=\"query\" maxlength=\"256\">",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6439a11.htm?s_cid=mm6439a11_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5952md.htm?s_cid=mm5952md_w"
   ],
   "affected_pages": [
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6439a11.htm?s_cid=mm6439a11_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5952md.htm?s_cid=mm5952md_w",
    "http://www.cdc.gov/wtc/contact.html",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6340a5.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6247a5.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6326a2.htm?s_cid=mm6326a2_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037a8.htm?s_cid=mm6037a8_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6350a1.htm?s_cid=mm6350a1_w",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6045a1.htm?s_cid=mm6045a1_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6305a4.htm",
    "http://www.cdc.gov/nchs/products/databriefs.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6446a1.htm?s_cid=mm6446a1_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6349a7.htm?s_cid=mm6349a7_w",
    "https://www.cdc.gov/nchs/hus/data-finder.htm?subject=Functional+limitation",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6122a6.htm?s_cid=mm6122a6_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6307a3.htm?s_cid=mm6307a3_w",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5938a1.htm?s_cid=mm5938a1_w",
    "https://www.cdc.gov/nchs/products/nhsr.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6133a1.htm?s_cid=mm6133a1_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6124a3.htm?s_cid=mm6124a3_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6304a1.htm?s_cid=mm6304a1_w"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "LM",
      "group": "Limited manipulation/strength",
      "prevalence": 0.13,
      "percent": "13.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited manipulation/strength (13.0%)."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w.",
    "Locate the element: <input id=\"searchBox\" class=\"searchBox\" name=\"query\" maxlength=\"256\">",
    "Confirm the Siteimprove Alfa finding for rule sia-r8 against WCAG 4.1.2 Name, Role, Value."
   ],
   "remediation_tip": "Associate the form field with a label.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r8",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/alfa__sia-r8.csv"
  },
  {
   "instance_id": "VS-1b3e6a69",
   "pattern_id": "VS-29f9f921",
   "a11y_pattern_fingerprint": "b1e87ca0372e35d9fc91f8d890aa5809cf7a61e01636b9d8376f9d595a029196",
   "a11y_pattern_display_id": "A11Y-PAT-B1E87CA0372E",
   "a11y_occurrence_fingerprint": "6565cc57d3beeff2c0dc76fd3b3a62d9ceb96418abd82d06e48c87d6e264c501",
   "a11y_occurrence_display_id": "A11Y-OCC-6565CC57D3BE",
   "url": "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-b/figure-2-5.html",
   "xpath": "<span role=\"button\" class=\"sort-icon\">",
   "html_snippet": null,
   "wcag_sc": "4.1.2",
   "wcag_name": "Name, Role, Value",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r12",
   "rule_label": "Button has accessible name",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r12",
   "severity": "Moderate",
   "frequency": {
    "instances": 52,
    "pages_affected": 4,
    "total_pages_scanned": 1858
   },
   "likely_source": "unknown",
   "summary": "Button has accessible name (WCAG 4.1.2)",
   "description": "Button has accessible name. Detected by Siteimprove Alfa rule sia-r12 on 4 of 1858 scanned pages (52 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-b/figure-2-5.html",
     "xpath": "<span role=\"button\" class=\"sort-icon\">",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-b/figure-2-5.html",
     "xpath": "<span role=\"button\" class=\"sort-icon\">",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-b/figure-2-5.html",
     "xpath": "<span role=\"button\" class=\"sort-icon\">",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-c/figure-3-5.html",
     "xpath": "<span role=\"button\" class=\"sort-icon\">",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-c/figure-3-5.html",
     "xpath": "<span role=\"button\" class=\"sort-icon\">",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-b/figure-2-5.html",
    "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-c/figure-3-5.html",
    "http://www.cdc.gov/hepatitis-surveillance-2021/hepatitis-b/figure-2-4.html"
   ],
   "affected_pages": [
    "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-b/figure-2-5.html",
    "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-c/figure-3-5.html",
    "http://www.cdc.gov/hepatitis-surveillance-2021/hepatitis-b/figure-2-4.html",
    "http://www.cdc.gov/nchs/nvss/facility-worksheets-guide/05.htm"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "LM",
      "group": "Limited manipulation/strength",
      "prevalence": 0.13,
      "percent": "13.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited manipulation/strength (13.0%)."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-b/figure-2-5.html.",
    "Locate the element: <span role=\"button\" class=\"sort-icon\">",
    "Confirm the Siteimprove Alfa finding for rule sia-r12 against WCAG 4.1.2 Name, Role, Value."
   ],
   "remediation_tip": "Give the button an accessible name via text, aria-label, or aria-labelledby.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r12",
   "possible_duplicate_of": "VS-1fc9862e",
   "possible_duplicate_pattern": "VS-58301a87",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W25",
   "last_seen": "2026-W38",
   "weeks_seen": 14,
   "affected_pages_csv": "csv/alfa__sia-r12.csv"
  },
  {
   "instance_id": "VS-5a342a32",
   "pattern_id": "VS-a2a3dffb",
   "a11y_pattern_fingerprint": "95c52790d63fdec7c19830c5a891a9155b87e2fe16cccccdce4c63d360dccfa9",
   "a11y_pattern_display_id": "A11Y-PAT-95C52790D63F",
   "a11y_occurrence_fingerprint": "c002b21a7ff9097d2a35cfcd1fa40ea6d918889cb447258a2e3ff4a7fcb9fcaf",
   "a11y_occurrence_display_id": "A11Y-OCC-C002B21A7FF9",
   "url": "https://www.cdc.gov/diabetes/burden-toolkit/state-burden-toolkit-mortality.html",
   "xpath": "<button class=\"btn btn-primary\" style=\"line-height: 1.4em;\">",
   "html_snippet": null,
   "wcag_sc": "4.1.2",
   "wcag_name": "Name, Role, Value",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r90",
   "rule_label": "Component with same name serves same purpose",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r90",
   "severity": "Moderate",
   "frequency": {
    "instances": 4,
    "pages_affected": 2,
    "total_pages_scanned": 1858
   },
   "likely_source": "content",
   "summary": "Component with same name serves same purpose (WCAG 4.1.2)",
   "description": "Component with same name serves same purpose. Detected by Siteimprove Alfa rule sia-r90 on 2 of 1858 scanned pages (4 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/diabetes/burden-toolkit/state-burden-toolkit-mortality.html",
     "xpath": "<button class=\"btn btn-primary\" style=\"line-height: 1.4em;\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/free-mind/parents/real-talk.html",
     "xpath": "<div class=\"card-header h4 bg-white rounded-0\" role=\"tab\" id=\"acc-header-4\" href=\"#acc-panel-4\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/free-mind/parents/real-talk.html",
     "xpath": "<div class=\"card-header h4 bg-white rounded-0\" role=\"tab\" id=\"acc-header-5\" href=\"#acc-panel-5\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/free-mind/parents/real-talk.html",
     "xpath": "<div class=\"card-header h4 bg-white rounded-0\" role=\"tab\" id=\"acc-header-6\" href=\"#acc-panel-6\">",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/diabetes/burden-toolkit/state-burden-toolkit-mortality.html",
    "http://www.cdc.gov/free-mind/parents/real-talk.html"
   ],
   "affected_pages": [
    "https://www.cdc.gov/diabetes/burden-toolkit/state-burden-toolkit-mortality.html",
    "http://www.cdc.gov/free-mind/parents/real-talk.html"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "LM",
      "group": "Limited manipulation/strength",
      "prevalence": 0.13,
      "percent": "13.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited vision (2.4%), Limited manipulation/strength (13.0%)."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/diabetes/burden-toolkit/state-burden-toolkit-mortality.html.",
    "Locate the element: <button class=\"btn btn-primary\" style=\"line-height: 1.4em;\">",
    "Confirm the Siteimprove Alfa finding for rule sia-r90 against WCAG 4.1.2 Name, Role, Value."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r90",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 14,
   "affected_pages_csv": "csv/alfa__sia-r90.csv"
  },
  {
   "instance_id": "VS-125e48c5",
   "pattern_id": "VS-be8d563e",
   "a11y_pattern_fingerprint": "b49b47adeb50c62e06a13ecdcd11239252e486fe9970d644b2d4377634cacb0f",
   "a11y_pattern_display_id": "A11Y-PAT-B49B47ADEB50",
   "a11y_occurrence_fingerprint": "74b0a6be822954c6d2d589931e1d1ec1f2d1a11151097673f232a2a6a0a0994b",
   "a11y_occurrence_display_id": "A11Y-OCC-74B0A6BE8229",
   "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4843a5.htm",
   "xpath": "a[name=\"content_area\"] > font[color=\"red\"]",
   "html_snippet": "<font color=\"red\">Persons using assistive technology might not be able to fully access information in this file. For assistance, please send e-mail to: </font>",
   "wcag_sc": "1.4.3",
   "wcag_name": "Contrast (Minimum)",
   "wcag_level": "AA",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 AA",
   "evidence_status": "automated-indicator",
   "rule_id": "color-contrast",
   "rule_label": "Elements must meet minimum color contrast ratio thresholds",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/color-contrast?application=axeAPI",
   "severity": "Serious",
   "frequency": {
    "instances": 475,
    "pages_affected": 322,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Elements must meet minimum color contrast ratio thresholds (WCAG 1.4.3)",
   "description": "Elements must meet minimum color contrast ratio thresholds. Detected by axe-core rule color-contrast on 322 of 1858 scanned pages (475 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4843a5.htm",
     "xpath": "a[name=\"content_area\"] > font[color=\"red\"]",
     "html_snippet": "<font color=\"red\">Persons using assistive technology might not be able to fully access information in this file. For assistance, please send e-mail to: </font>"
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4843a5.htm",
     "xpath": "p > font[color=\"red\"]",
     "html_snippet": "<font color=\"red\"><a href=\"mailto:mmwrq@cdc.gov\">mmwrq@cdc.gov</a>. Type 508 Accommodation and the title of the report in the subject line of e-mail.</font>"
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
     "xpath": "a[name=\"content_area\"] > font[color=\"red\"]",
     "html_snippet": "<font color=\"red\">Persons using assistive technology might not be able to fully access information in this file. For assistance, please send e-mail to: </font>"
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
     "xpath": "p > font[color=\"red\"]",
     "html_snippet": "<font color=\"red\"><a href=\"mailto:mmwrq@cdc.gov\">mmwrq@cdc.gov</a>. Type 508 Accommodation and the title of the report in the subject line of e-mail.</font>"
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00017426.htm",
     "xpath": "a[name=\"content_area\"] > font[color=\"red\"]",
     "html_snippet": "<font color=\"red\">Persons using assistive technology might not be able to fully access information in this file. For assistance, please send e-mail to: </font>"
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4843a5.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00017426.htm"
   ],
   "affected_pages": [
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4843a5.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00017426.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00017425.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5114md.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5033a4.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5025a2.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5402a2.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5415a1.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00046714.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00019549.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6016md.htm?s_cid=mm6016md_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00047831.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5317a3.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5505a6.htm",
    "https://www.cdc.gov/howrightnow/espanol/emocion/preocupacion/index.html",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00039041.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6034a2.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4901a4.htm",
    "https://www.cdc.gov/mmwr/volumes/65/wr/mm6519a2.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00015030.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm4822md.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00039323.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00016693.htm"
   ],
   "impact": {
    "groups": [
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "WPC",
      "group": "Without color perception",
      "prevalence": 0.045,
      "percent": "4.5%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Limited vision (2.4%), Without color perception (4.5%)."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4843a5.htm.",
    "Locate the element: a[name=\"content_area\"] > font[color=\"red\"]",
    "Confirm the axe-core finding for rule color-contrast against WCAG 1.4.3 Contrast (Minimum)."
   ],
   "remediation_tip": "Increase the contrast between text and its background to at least 4.5:1 (3:1 for large text). Check both light and dark modes.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/color-contrast?application=axeAPI",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/axe-core__color-contrast.csv"
  },
  {
   "instance_id": "VS-c07d8d6d",
   "pattern_id": "VS-f7e99f4b",
   "a11y_pattern_fingerprint": "57d6fd6237c31401d119b5a879cef6de758ee19518ce47ff771ca33b9a00d871",
   "a11y_pattern_display_id": "A11Y-PAT-57D6FD6237C3",
   "a11y_occurrence_fingerprint": "30620aba1701f89094786790e583c5da6ba94c1c3069b82158bbd3138e6cb910",
   "a11y_occurrence_display_id": "A11Y-OCC-30620ABA1701",
   "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
   "xpath": "text: \"Published on June 15, 2010\"",
   "html_snippet": null,
   "wcag_sc": "1.4.3",
   "wcag_name": "Contrast (Minimum)",
   "wcag_level": "AA",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 AA",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r69",
   "rule_label": "Text has sufficient color contrast (Enhanced)",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r69",
   "severity": "Moderate",
   "frequency": {
    "instances": 843,
    "pages_affected": 149,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Text has sufficient color contrast (Enhanced) (WCAG 1.4.3)",
   "description": "Text has sufficient color contrast (Enhanced). Detected by Siteimprove Alfa rule sia-r69 on 149 of 1858 scanned pages (843 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "text: \"Published on June 15, 2010\"",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
     "xpath": "text: \"Related Pages\"",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
     "xpath": "text: \"Symptoms\"",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
     "xpath": "text: \"Screening\"",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/thalassemia/stories/chanapa-tantibanchachais-story.html",
     "xpath": "text: \"Related Pages\"",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
    "https://www.cdc.gov/thalassemia/stories/chanapa-tantibanchachais-story.html"
   ],
   "affected_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
    "https://www.cdc.gov/thalassemia/stories/chanapa-tantibanchachais-story.html",
    "http://www.cdc.gov/global-hiv-tb/php/globalhiv/index.html",
    "http://www.cdc.gov/global-immunization/stop/frequently-asked-questions.html",
    "https://www.cdc.gov/nndss/technical-resource-center/phase-2.html",
    "https://www.cdc.gov/ncbddd/about/protecting-people.html",
    "http://www.cdc.gov/niosh/maritime/about/seafood-processing.html",
    "http://www.cdc.gov/children-mental-health/about/obsessive-compulsive-disorder-in-children.html",
    "https://www.cdc.gov/model-aquatic-health-code/php/about/creating-the-mahc.html",
    "http://www.cdc.gov/abes/about/index.html",
    "https://www.cdc.gov/phlp/php/publications/protecting-patient-access-to-emergency-medications-act.html",
    "http://www.cdc.gov/ecr/php/getting-started/index.html",
    "https://www.cdc.gov/environmental-exposure-report/whats-new/whats_new_072010.html",
    "https://www.cdc.gov/niosh/topics/firefighting",
    "https://www.cdc.gov/kidney-disease/ckd-facts/index.html",
    "https://www.cdc.gov/fluview/surveillance/2024-week-48.html",
    "http://www.cdc.gov/hepatitis-surveillance-2022/about/national-profile.html",
    "http://www.cdc.gov/transportation-safety/calculator/patrols.html",
    "https://www.cdc.gov/model-aquatic-health-code/php/our-work/previous.html",
    "http://www.cdc.gov/mis/signs-symptoms/index.html",
    "http://www.cdc.gov/nchhstp/about/index.html",
    "https://www.cdc.gov/niosh/rhabdo/es/signs-symptoms/signos-y-sintomas-de-rabdomiolisis-rabdo.html",
    "http://www.cdc.gov/vaccines/hcp/imz-schedules/child-adolescent-addendum.html",
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6622a3.htm"
   ],
   "impact": {
    "groups": [
     {
      "code": "LV",
      "group": "Limited vision",
      "prevalence": 0.024,
      "percent": "2.4%",
      "estimatedExcluded": null
     },
     {
      "code": "WPC",
      "group": "Without color perception",
      "prevalence": 0.045,
      "percent": "4.5%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Limited vision (2.4%), Without color perception (4.5%)."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/pcd/issues/2010/jul/toc.htm.",
    "Locate the element: text: \"Published on June 15, 2010\"",
    "Confirm the Siteimprove Alfa finding for rule sia-r69 against WCAG 1.4.3 Contrast (Minimum)."
   ],
   "remediation_tip": "Increase text contrast to meet WCAG AA (4.5:1, or 3:1 for large text).",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r69",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/alfa__sia-r69.csv"
  },
  {
   "instance_id": "VS-139ce83d",
   "pattern_id": "VS-dd1c019f",
   "a11y_pattern_fingerprint": "2426be6f84543fe1e634e7e26ab68276930fdc5c2a56a4ec8afbdbd616ed1737",
   "a11y_pattern_display_id": "A11Y-PAT-2426BE6F8454",
   "a11y_occurrence_fingerprint": "e55e71d877295ad85e08434fa4eb4e2aba61192c19149353d43ec3ec5a4ae9b1",
   "a11y_occurrence_display_id": "A11Y-OCC-E55E71D87729",
   "url": "https://www.cdc.gov/flu-resources/php/resources/cover-your-cough-health-care-flyer.html",
   "xpath": ".dfe-curated-link__download.has-content > .download-container > a[lang=\"__\"][download=\"covercough_hcp8-5x11_khm.pdf\"][aria-label=\"Download\"]",
   "html_snippet": "<a lang=\"__\" class=\"cdc-block-link\" href=\"/flu-resources/media/pdfs/2024/08/covercough_hcp8-5x11_khm.pdf\" aria-label=\"Download\" download=\"covercough_hcp8-5x11_khm.pdf\" target=\"_blank\">",
   "wcag_sc": "3.1.2",
   "wcag_name": "Language of Parts",
   "wcag_level": "AA",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 AA",
   "evidence_status": "automated-indicator",
   "rule_id": "valid-lang",
   "rule_label": "lang attribute must have a valid value",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/valid-lang?application=axeAPI",
   "severity": "Serious",
   "frequency": {
    "instances": 4,
    "pages_affected": 2,
    "total_pages_scanned": 1858
   },
   "likely_source": "content",
   "summary": "lang attribute must have a valid value (WCAG 3.1.2)",
   "description": "lang attribute must have a valid value. Detected by axe-core rule valid-lang on 2 of 1858 scanned pages (4 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/flu-resources/php/resources/cover-your-cough-health-care-flyer.html",
     "xpath": ".dfe-curated-link__download.has-content > .download-container > a[lang=\"__\"][download=\"covercough_hcp8-5x11_khm.pdf\"][aria-label=\"Download\"]",
     "html_snippet": "<a lang=\"__\" class=\"cdc-block-link\" href=\"/flu-resources/media/pdfs/2024/08/covercough_hcp8-5x11_khm.pdf\" aria-label=\"Download\" download=\"covercough_hcp8-5x11_khm.pdf\" target=\"_blank\">"
    },
    {
     "url": "http://www.cdc.gov/naegleria/prevention/sinus-rinsing.html",
     "xpath": ".image-container.aspect-ratio-16-9 > a[lang=\"urd\"]",
     "html_snippet": "<a href=\"/naegleria/media/pdfs/SafeNasalRinsingUrdu.pdf\" title=\"Safe Ritual Nasal Rinsing (Urdu)\" lang=\"urd\"><img src=\"/naegleria/media/images/Safe-Ritual-Nasal-Rinsing-Urdu.PNG\" alt=\"safe ritual nasa"
    },
    {
     "url": "http://www.cdc.gov/naegleria/prevention/sinus-rinsing.html",
     "xpath": ".cdc-block-link[aria-label=\"View\"][lang=\"urd\"]",
     "html_snippet": "<a aria-label=\"View\" target=\"_blank\" class=\"cdc-block-link\" href=\"/naegleria/media/pdfs/SafeNasalRinsingUrdu.pdf\" lang=\"urd\">Safe Ritual Nasal Rinsing (Urdu)<span aria-label=\" pdf icon\" role=\"img\" cla"
    },
    {
     "url": "http://www.cdc.gov/naegleria/prevention/sinus-rinsing.html",
     "xpath": ".download.featured > .download-container > a[download=\"SafeNasalRinsingUrdu.pdf\"][lang=\"urd\"][aria-label=\"Download\"]",
     "html_snippet": "<a lang=\"urd\" class=\"cdc-block-link\" href=\"/naegleria/media/pdfs/SafeNasalRinsingUrdu.pdf\" aria-label=\"Download\" download=\"SafeNasalRinsingUrdu.pdf\" target=\"_blank\">"
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/flu-resources/php/resources/cover-your-cough-health-care-flyer.html",
    "http://www.cdc.gov/naegleria/prevention/sinus-rinsing.html"
   ],
   "affected_pages": [
    "https://www.cdc.gov/flu-resources/php/resources/cover-your-cough-health-care-flyer.html",
    "http://www.cdc.gov/naegleria/prevention/sinus-rinsing.html"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LCLA",
      "group": "Limited cognitive, language, or learning ability",
      "prevalence": 0.11,
      "percent": "11.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited cognitive, language, or learning ability (11.0%)."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/flu-resources/php/resources/cover-your-cough-health-care-flyer.html.",
    "Locate the element: .dfe-curated-link__download.has-content > .download-container > a[lang=\"__\"][download=\"covercough_hcp8-5x11_khm.pdf\"][aria-label=\"Download\"]",
    "Confirm the axe-core finding for rule valid-lang against WCAG 3.1.2 Language of Parts."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/valid-lang?application=axeAPI",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 9,
   "affected_pages_csv": "csv/axe-core__valid-lang.csv"
  },
  {
   "instance_id": "VS-28bb8cff",
   "pattern_id": "VS-400f3a18",
   "a11y_pattern_fingerprint": "86242abfcf102e5135781d0d2f2f5d7537ba0efab20614b664465ca58e79518d",
   "a11y_pattern_display_id": "A11Y-PAT-86242ABFCF10",
   "a11y_occurrence_fingerprint": "d07cf76875fe38aa67c6e6c34c4c760832ad1f603a5a30b7d1199e19dc0a2621",
   "a11y_occurrence_display_id": "A11Y-OCC-D07CF76875FE",
   "url": "http://www.cdc.gov/naegleria/prevention/sinus-rinsing.html",
   "xpath": "@lang=\"urd\"",
   "html_snippet": null,
   "wcag_sc": "3.1.2",
   "wcag_name": "Language of Parts",
   "wcag_level": "AA",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 AA",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r7",
   "rule_label": "Element with lang attribute has correct language",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r7",
   "severity": "Moderate",
   "frequency": {
    "instances": 3,
    "pages_affected": 1,
    "total_pages_scanned": 1858
   },
   "likely_source": "content",
   "summary": "Element with lang attribute has correct language (WCAG 3.1.2)",
   "description": "Element with lang attribute has correct language. Detected by Siteimprove Alfa rule sia-r7 on 1 of 1858 scanned pages (3 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/naegleria/prevention/sinus-rinsing.html",
     "xpath": "@lang=\"urd\"",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/naegleria/prevention/sinus-rinsing.html",
     "xpath": "@lang=\"urd\"",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/naegleria/prevention/sinus-rinsing.html",
     "xpath": "@lang=\"urd\"",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/naegleria/prevention/sinus-rinsing.html"
   ],
   "affected_pages": [
    "http://www.cdc.gov/naegleria/prevention/sinus-rinsing.html"
   ],
   "impact": {
    "groups": [
     {
      "code": "WV",
      "group": "Without vision",
      "prevalence": 0.01,
      "percent": "1.0%",
      "estimatedExcluded": null
     },
     {
      "code": "LCLA",
      "group": "Limited cognitive, language, or learning ability",
      "prevalence": 0.11,
      "percent": "11.0%",
      "estimatedExcluded": null
     }
    ],
    "summary": "Affects Without vision (1.0%), Limited cognitive, language, or learning ability (11.0%)."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/naegleria/prevention/sinus-rinsing.html.",
    "Locate the element: @lang=\"urd\"",
    "Confirm the Siteimprove Alfa finding for rule sia-r7 against WCAG 3.1.2 Language of Parts."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r7",
   "possible_duplicate_of": "VS-139ce83d",
   "possible_duplicate_pattern": "VS-dd1c019f",
   "obligation": "required",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 3,
   "affected_pages_csv": "csv/alfa__sia-r7.csv"
  },
  {
   "instance_id": "VS-79f7dbe0",
   "pattern_id": "VS-646b1e0b",
   "a11y_pattern_fingerprint": "b4220b8a09abcd803c4d2267258908dc0024358bc602e6b8d29f36571657a524",
   "a11y_pattern_display_id": "A11Y-PAT-B4220B8A09AB",
   "a11y_occurrence_fingerprint": "e99b594cb6e8b62ac5e7ea611bb6dd926b4b79423237c47f6183bb7cf1b3e257",
   "a11y_occurrence_display_id": "A11Y-OCC-E99B594CB6E8",
   "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
   "xpath": "text: \"Emerging Infectious Diseases Journal\"",
   "html_snippet": null,
   "wcag_sc": "1.4.6",
   "wcag_name": "Contrast (Enhanced)",
   "wcag_level": "AAA",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.x AAA",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r66",
   "rule_label": "Text has enhanced contrast",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r66",
   "severity": "Moderate",
   "frequency": {
    "instances": 11971,
    "pages_affected": 364,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Text has enhanced contrast (WCAG 1.4.6)",
   "description": "Text has enhanced contrast. Detected by Siteimprove Alfa rule sia-r66 on 364 of 1858 scanned pages (11971 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "text: \"Emerging Infectious Diseases Journal\"",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "text: \"MMWR\"",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "text: \"Published on June 15, 2010\"",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
     "xpath": "text: \"\n\t\t\t\t\tHere's how you know\n\t\t\t\t\t\"",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
     "xpath": "text: \"\n\t\t\t\t\t\tExplore This Topic\t\t\t\t\t\"",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
    "https://www.cdc.gov/thalassemia/stories/chanapa-tantibanchachais-story.html"
   ],
   "affected_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
    "https://www.cdc.gov/thalassemia/stories/chanapa-tantibanchachais-story.html",
    "http://www.cdc.gov/global-hiv-tb/php/globalhiv/index.html",
    "https://www.cdc.gov/sti/es/site.html",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6614a4.htm?s_cid=mm6614a4_w",
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6650a7.htm?s_cid=mm6650a7_w",
    "https://www.cdc.gov/pcd/about_the_journal/Statistics_Review_Committee.htm",
    "http://www.cdc.gov/niosh/corrections/about/index.html",
    "http://www.cdc.gov/global-immunization/stop/frequently-asked-questions.html",
    "https://www.cdc.gov/nndss/technical-resource-center/phase-2.html",
    "https://www.cdc.gov/brfss/acbs/2011/prevalence_tables/table13.html",
    "https://www.cdc.gov/ncbddd/about/protecting-people.html",
    "http://www.cdc.gov/niosh/maritime/about/seafood-processing.html",
    "http://www.cdc.gov/children-mental-health/about/obsessive-compulsive-disorder-in-children.html",
    "https://www.cdc.gov/model-aquatic-health-code/php/about/creating-the-mahc.html",
    "http://www.cdc.gov/abes/about/index.html",
    "https://www.cdc.gov/phlp/php/publications/protecting-patient-access-to-emergency-medications-act.html",
    "http://www.cdc.gov/listeria/outbreaks/delimeats-7-24/index.html",
    "https://www.cdc.gov/pcd/issues/2020/20_0263.htm",
    "https://www.cdc.gov/pcd/issues/2024/23_0329.htm",
    "http://www.cdc.gov/ecr/php/getting-started/index.html",
    "https://www.cdc.gov/pcd/issues/2020/20_0241a.htm",
    "https://www.cdc.gov/environmental-exposure-report/whats-new/whats_new_072010.html"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/pcd/issues/2010/jul/toc.htm.",
    "Locate the element: text: \"Emerging Infectious Diseases Journal\"",
    "Confirm the Siteimprove Alfa finding for rule sia-r66 against WCAG 1.4.6 Contrast (Enhanced)."
   ],
   "remediation_tip": "Increase text contrast to meet WCAG AAA (7:1).",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r66",
   "obligation": "aspirational",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/alfa__sia-r66.csv"
  },
  {
   "instance_id": "VS-f02504b6",
   "pattern_id": "VS-fbf54eba",
   "a11y_pattern_fingerprint": "d1b404f1ebe7a76f23af26082c19ca6c81849f0443ad9af6e8530e87b477775e",
   "a11y_pattern_display_id": "A11Y-PAT-D1B404F1EBE7",
   "a11y_occurrence_fingerprint": "3f740bf2bd16a3a3528654183b66356daadd2ca30c2fe4c2cb22e471b22ef219",
   "a11y_occurrence_display_id": "A11Y-OCC-3F740BF2BD16",
   "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
   "xpath": "<p class=\"deck\">",
   "html_snippet": null,
   "wcag_sc": "1.4.8",
   "wcag_name": "Visual Presentation",
   "wcag_level": "AAA",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.x AAA",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r74",
   "rule_label": "Link is distinguishable without relying on color",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r74",
   "severity": "Moderate",
   "frequency": {
    "instances": 12173,
    "pages_affected": 177,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Link is distinguishable without relying on color (WCAG 1.4.8)",
   "description": "Link is distinguishable without relying on color. Detected by Siteimprove Alfa rule sia-r74 on 177 of 1858 scanned pages (12173 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "<p class=\"deck\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "<p class=\"psmall\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "<p class=\"psmall\">",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
     "xpath": "<p style=\"font-family: Arial, Helvetica, sans-serif; font-size: 8pt; color: #333333;\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/00017425.htm",
     "xpath": "<p style=\"font-family: Arial, Helvetica, sans-serif; font-size: 8pt; color: #333333;\">",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00017425.htm"
   ],
   "affected_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00017425.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
    "https://www.cdc.gov/pcd/about_the_journal/Statistics_Review_Committee.htm",
    "http://www.cdc.gov/niosh/corrections/about/index.html",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00046714.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00019549.htm",
    "http://www.cdc.gov/niosh/maritime/about/seafood-processing.html",
    "http://www.cdc.gov/children-mental-health/about/obsessive-compulsive-disorder-in-children.html",
    "https://www.cdc.gov/pcd/issues/2020/20_0263.htm",
    "https://www.cdc.gov/pcd/issues/2024/23_0329.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5505a6.htm",
    "https://www.cdc.gov/pcd/issues/2020/20_0241a.htm",
    "https://www.cdc.gov/pcd/issues/2015/14_0595a.htm",
    "http://www.cdc.gov/niosh/publications/numbered/2021-124.html",
    "https://www.cdc.gov/niosh/topics/firefighting",
    "https://www.cdc.gov/pcd/issues/2024/24_0051.htm",
    "http://www.cdc.gov/pcd/issues/2007/oct/07_0012_fr.htm",
    "https://www.cdc.gov/vaccines/hcp/storage-handling/providers-role.html",
    "http://www.cdc.gov/niosh/docs/2011-179",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00015030.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00016693.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00016754.htm",
    "https://www.cdc.gov/pcd/issues/2008/apr/08_0025.htm"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/pcd/issues/2010/jul/toc.htm.",
    "Locate the element: <p class=\"deck\">",
    "Confirm the Siteimprove Alfa finding for rule sia-r74 against WCAG 1.4.8 Visual Presentation."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r74",
   "obligation": "aspirational",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/alfa__sia-r74.csv"
  },
  {
   "instance_id": "VS-7827616e",
   "pattern_id": "VS-2208081b",
   "a11y_pattern_fingerprint": "55a56f2b9072f5eb009d3462d54ebc68a25bb771b52b35064651ffac3803cf58",
   "a11y_pattern_display_id": "A11Y-PAT-55A56F2B9072",
   "a11y_occurrence_fingerprint": "072b394c43128ab4992b8f41435c83d93e929e3d05005effea466dcd5823020c",
   "a11y_occurrence_display_id": "A11Y-OCC-072B394C4312",
   "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
   "xpath": "<p class=\"deck\">",
   "html_snippet": null,
   "wcag_sc": "1.4.8",
   "wcag_name": "Visual Presentation",
   "wcag_level": "AAA",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.x AAA",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r73",
   "rule_label": "Text has minimum contrast ratio of 4.5:1",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r73",
   "severity": "Moderate",
   "frequency": {
    "instances": 30826,
    "pages_affected": 138,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Text has minimum contrast ratio of 4.5:1 (WCAG 1.4.8)",
   "description": "Text has minimum contrast ratio of 4.5:1. Detected by Siteimprove Alfa rule sia-r73 on 138 of 1858 scanned pages (30826 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "<p class=\"deck\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "<p class=\"psmall\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "<p class=\"psmall\">",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
     "xpath": "<p>",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
     "xpath": "<p>",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00017425.htm"
   ],
   "affected_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00017425.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6614a4.htm?s_cid=mm6614a4_w",
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6650a7.htm?s_cid=mm6650a7_w",
    "https://www.cdc.gov/pcd/about_the_journal/Statistics_Review_Committee.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00046714.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00019549.htm",
    "https://www.cdc.gov/pcd/issues/2020/20_0263.htm",
    "https://www.cdc.gov/pcd/issues/2024/23_0329.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5505a6.htm",
    "https://www.cdc.gov/pcd/issues/2020/20_0241a.htm",
    "https://www.cdc.gov/pcd/issues/2015/14_0595a.htm",
    "https://www.cdc.gov/pcd/issues/2024/24_0051.htm",
    "http://www.cdc.gov/pcd/issues/2007/oct/07_0012_fr.htm",
    "https://www.cdc.gov/mmwr/volumes/65/wr/mm6519a2.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00015030.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00016693.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00016754.htm",
    "https://www.cdc.gov/pcd/issues/2008/apr/08_0025.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5438a3.htm",
    "https://www.cdc.gov/pcd/issues/2009/apr/08_0108.htm",
    "https://www.cdc.gov/pcd/issues/2021/20_0628e.htm",
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6622a3.htm"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/pcd/issues/2010/jul/toc.htm.",
    "Locate the element: <p class=\"deck\">",
    "Confirm the Siteimprove Alfa finding for rule sia-r73 against WCAG 1.4.8 Visual Presentation."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r73",
   "obligation": "aspirational",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/alfa__sia-r73.csv"
  },
  {
   "instance_id": "VS-6271eacd",
   "pattern_id": "VS-388b5438",
   "a11y_pattern_fingerprint": "1945365355c0c1367cf6dcff71a994db850412f313b7570effeea4820bde211d",
   "a11y_pattern_display_id": "A11Y-PAT-1945365355C0",
   "a11y_occurrence_fingerprint": "e5b3a6af6ce1b568f31fd37a60373e5ec4ef856913b97434bdd2706a09562b7f",
   "a11y_occurrence_display_id": "A11Y-OCC-E5B3A6AF6CE1",
   "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
   "xpath": "<p class=\"deck\">",
   "html_snippet": null,
   "wcag_sc": "1.4.8",
   "wcag_name": "Visual Presentation",
   "wcag_level": "AAA",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.x AAA",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r80",
   "rule_label": "Scrollable element is keyboard accessible",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r80",
   "severity": "Moderate",
   "frequency": {
    "instances": 2,
    "pages_affected": 2,
    "total_pages_scanned": 1858
   },
   "likely_source": "content",
   "summary": "Scrollable element is keyboard accessible (WCAG 1.4.8)",
   "description": "Scrollable element is keyboard accessible. Detected by Siteimprove Alfa rule sia-r80 on 2 of 1858 scanned pages (2 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "<p class=\"deck\">",
     "html_snippet": null
    },
    {
     "url": "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish",
     "xpath": "<p>",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish"
   ],
   "affected_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/pcd/issues/2010/jul/toc.htm.",
    "Locate the element: <p class=\"deck\">",
    "Confirm the Siteimprove Alfa finding for rule sia-r80 against WCAG 1.4.8 Visual Presentation."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r80",
   "obligation": "aspirational",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 13,
   "affected_pages_csv": "csv/alfa__sia-r80.csv"
  },
  {
   "instance_id": "VS-d1f812b1",
   "pattern_id": "VS-cb53cc4d",
   "a11y_pattern_fingerprint": "10be8953afe119717f3e855d20357eb20517019521ffeefae01ef1cd3575b984",
   "a11y_pattern_display_id": "A11Y-PAT-10BE8953AFE1",
   "a11y_occurrence_fingerprint": "e93aae2d356c744e95c85affe329bb27b57d67557d86629bc48453bb933c823c",
   "a11y_occurrence_display_id": "A11Y-OCC-E93AAE2D356C",
   "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
   "xpath": "<a href=\"#content_area\">",
   "html_snippet": null,
   "wcag_sc": "2.5.5",
   "wcag_name": "Target Size (Enhanced)",
   "wcag_level": "AAA",
   "wcag_version": "2.1",
   "wcag_category": "WCAG 2.x AAA",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r111",
   "rule_label": "Target size is at least 44×44 CSS pixels (Enhanced)",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r111",
   "severity": "Moderate",
   "frequency": {
    "instances": 12969,
    "pages_affected": 432,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Target size is at least 44×44 CSS pixels (Enhanced) (WCAG 2.5.5)",
   "description": "Target size is at least 44×44 CSS pixels (Enhanced). Detected by Siteimprove Alfa rule sia-r111 on 432 of 1858 scanned pages (12969 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "<a href=\"#content_area\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "<a href=\"http://www.cdc.gov/\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "<a href=\"http://www.cdc.gov/\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
     "xpath": "<button class=\"btn btn-outline-white btn-arrow-down btn-fancy\" id=\"megaButton\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
     "xpath": "<button id=\"cdc-search__toggle\" aria-controls=\"cdc-header__search-inner\" type=\"button\">",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
    "https://www.cdc.gov/thalassemia/stories/chanapa-tantibanchachais-story.html"
   ],
   "affected_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
    "https://www.cdc.gov/thalassemia/stories/chanapa-tantibanchachais-story.html",
    "http://www.cdc.gov/global-hiv-tb/php/globalhiv/index.html",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
    "https://www.cdc.gov/sti/es/site.html",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00017425.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6614a4.htm?s_cid=mm6614a4_w",
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6650a7.htm?s_cid=mm6650a7_w",
    "https://www.cdc.gov/pcd/about_the_journal/Statistics_Review_Committee.htm",
    "http://www.cdc.gov/niosh/corrections/about/index.html",
    "http://www.cdc.gov/global-immunization/stop/frequently-asked-questions.html",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00046714.htm",
    "https://www.cdc.gov/nndss/technical-resource-center/phase-2.html",
    "https://www.cdc.gov/brfss/acbs/2011/prevalence_tables/table13.html",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00019549.htm",
    "https://www.cdc.gov/ncbddd/about/protecting-people.html",
    "http://www.cdc.gov/niosh/maritime/about/seafood-processing.html",
    "http://www.cdc.gov/children-mental-health/about/obsessive-compulsive-disorder-in-children.html",
    "https://www.cdc.gov/model-aquatic-health-code/php/about/creating-the-mahc.html",
    "http://www.cdc.gov/abes/about/index.html",
    "https://www.cdc.gov/phlp/php/publications/protecting-patient-access-to-emergency-medications-act.html",
    "http://www.cdc.gov/listeria/outbreaks/delimeats-7-24/index.html",
    "https://www.cdc.gov/pcd/issues/2020/20_0263.htm"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/pcd/issues/2010/jul/toc.htm.",
    "Locate the element: <a href=\"#content_area\">",
    "Confirm the Siteimprove Alfa finding for rule sia-r111 against WCAG 2.5.5 Target Size (Enhanced)."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r111",
   "obligation": "aspirational",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/alfa__sia-r111.csv"
  },
  {
   "instance_id": "VS-38a56941",
   "pattern_id": "VS-f18df681",
   "a11y_pattern_fingerprint": "2e6848fe9d0f10e1fe173375a2d102b9abcc3748c19ee0de50c5032f662e0a43",
   "a11y_pattern_display_id": "A11Y-PAT-2E6848FE9D0F",
   "a11y_occurrence_fingerprint": "bbe903f63902e8ab414cce435b7c800e1958712162b04ab3a79adc6810e72ece",
   "a11y_occurrence_display_id": "A11Y-OCC-BBE903F63902",
   "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
   "xpath": "table[width=\"100%\"][cellpadding=\"0\"]:nth-child(6) > tbody > tr:nth-child(2)",
   "html_snippet": "<tr>",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "evidence_status": "automated-indicator",
   "rule_id": "region",
   "rule_label": "All page content should be contained by landmarks",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/region?application=axeAPI",
   "severity": "Serious",
   "frequency": {
    "instances": 13022,
    "pages_affected": 1662,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "All page content should be contained by landmarks (WCAG criterion undetermined)",
   "description": "All page content should be contained by landmarks. Detected by axe-core rule region on 1662 of 1858 scanned pages (13022 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "table[width=\"100%\"][cellpadding=\"0\"]:nth-child(6) > tbody > tr:nth-child(2)",
     "html_snippet": "<tr>"
    },
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "table[width=\"100%\"][cellpadding=\"0\"]:nth-child(6) > tbody > tr:nth-child(3)",
     "html_snippet": "<tr>"
    },
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "img[height=\"27\"]",
     "html_snippet": "<img border=\"0\" src=\"www.cdc.gov/navimages/spacer.gif\" width=\"140\" height=\"27\" alt=\" \">"
    },
    {
     "url": "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
     "xpath": ".cdc-site-gov-notice",
     "html_snippet": "<div class=\"cdc-site-gov-notice noindex noprint\" aria-label=\"Official website of the United States government\">"
    },
    {
     "url": "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
     "xpath": ".site-footer__heading",
     "html_snippet": "<div class=\"col-lg-3 site-footer__heading\n\t\t\thas-home-link\t\t\">"
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
    "https://www.cdc.gov/thalassemia/stories/chanapa-tantibanchachais-story.html"
   ],
   "affected_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
    "https://www.cdc.gov/thalassemia/stories/chanapa-tantibanchachais-story.html",
    "http://www.cdc.gov/nchhstp/connections/issue-23-2.html",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4843a5.htm",
    "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/anaplasmosis/site.html",
    "http://www.cdc.gov/global-hiv-tb/php/globalhiv/index.html",
    "http://www.cdc.gov/pertussis/about/index.html",
    "http://www.cdc.gov/acip/meetings/presentation-slides-june-21-23-2023.html",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
    "https://www.cdc.gov/sti/es/site.html",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00017426.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00017425.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
    "http://www.cdc.gov/infection-control/hcp/disinfection-and-sterilization/flash-steam-sterilization-parameters.html",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5114md.htm",
    "http://www.cdc.gov/brfss/acbs/2015/multiple_year/afc_prevalence_12_table6.html",
    "https://www.cdc.gov/pcd/issues/2010/may/09_0123.htm",
    "http://www.cdc.gov/rubella/vaccine-impact/index.html",
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6614a4.htm?s_cid=mm6614a4_w",
    "http://www.cdc.gov/PCD/issues/2008/apr/07_0053_es.htm",
    "https://www.cdc.gov/niosh-rtecs/KW88B80.html",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5033a4.htm",
    "https://www.cdc.gov/lead-prevention/prevention/soil.html",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5025a2.htm"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/pcd/issues/2010/jul/toc.htm.",
    "Locate the element: table[width=\"100%\"][cellpadding=\"0\"]:nth-child(6) > tbody > tr:nth-child(2)",
    "Confirm the axe-core finding for rule region."
   ],
   "remediation_tip": "Wrap all page content in landmarks (header, nav, main, footer) so users can navigate by region.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/region?application=axeAPI",
   "obligation": "advisory",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/axe-core__region.csv"
  },
  {
   "instance_id": "VS-b09af7b4",
   "pattern_id": "VS-33841929",
   "a11y_pattern_fingerprint": "47b5879d966b11bdc125b6897a17993f77382af813def8dfd830b111208e472d",
   "a11y_pattern_display_id": "A11Y-PAT-47B5879D966B",
   "a11y_occurrence_fingerprint": "202bc220086c4836dfd25f7076572ca6d89a85018bc744309be1fbac69299a14",
   "a11y_occurrence_display_id": "A11Y-OCC-202BC220086C",
   "url": "https://www.cdc.gov/pcd/issues/2010/may/09_0123.htm",
   "xpath": ".smallfield",
   "html_snippet": "<input class=\"smallfield\" type=\"text\" name=\"email\" size=\"15\" title=\"Insert e-mail\" value=\"Insert e-mail\" onfocus=\"this.value=''\">",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "evidence_status": "automated-indicator",
   "rule_id": "label-title-only",
   "rule_label": "Form elements should have a visible label",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/label-title-only?application=axeAPI",
   "severity": "Serious",
   "frequency": {
    "instances": 90,
    "pages_affected": 90,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Form elements should have a visible label (WCAG criterion undetermined)",
   "description": "Form elements should have a visible label. Detected by axe-core rule label-title-only on 90 of 1858 scanned pages (90 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/pcd/issues/2010/may/09_0123.htm",
     "xpath": ".smallfield",
     "html_snippet": "<input class=\"smallfield\" type=\"text\" name=\"email\" size=\"15\" title=\"Insert e-mail\" value=\"Insert e-mail\" onfocus=\"this.value=''\">"
    },
    {
     "url": "http://www.cdc.gov/PCD/issues/2008/apr/07_0053_es.htm",
     "xpath": ".smallfield",
     "html_snippet": "<input class=\"smallfield\" type=\"text\" name=\"email\" size=\"15\" title=\"Insertar e-mail\" value=\"Insertar e-mail\" onfocus=\"this.value=''\">"
    },
    {
     "url": "http://www.cdc.gov/pcd/issues/2005/apr/05_0027.htm",
     "xpath": ".smallfield",
     "html_snippet": "<input class=\"smallfield\" type=\"text\" name=\"email\" size=\"15\" title=\"Insert e-mail\" value=\"Insert e-mail\" onfocus=\"this.value=''\">"
    },
    {
     "url": "http://www.cdc.gov/pcd/issues/2008/jan/07_0148_zhs.htm",
     "xpath": ".smallfield",
     "html_snippet": "<input class=\"smallfield\" type=\"text\" name=\"email\" size=\"15\" title=\"插入电子邮件\" value=\"插入电子邮件\" onfocus=\"this.value=''\">"
    },
    {
     "url": "http://www.cdc.gov/pcd/issues/2007/oct/07_0012_fr.htm",
     "xpath": ".smallfield",
     "html_snippet": "<input class=\"smallfield\" type=\"text\" name=\"email\" size=\"15\" title=\"Insérer un courriel\" value=\"Insérer un courriel\" onfocus=\"this.value=''\">"
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/pcd/issues/2010/may/09_0123.htm",
    "http://www.cdc.gov/PCD/issues/2008/apr/07_0053_es.htm",
    "http://www.cdc.gov/pcd/issues/2005/apr/05_0027.htm"
   ],
   "affected_pages": [
    "https://www.cdc.gov/pcd/issues/2010/may/09_0123.htm",
    "http://www.cdc.gov/PCD/issues/2008/apr/07_0053_es.htm",
    "http://www.cdc.gov/pcd/issues/2005/apr/05_0027.htm",
    "http://www.cdc.gov/pcd/issues/2008/jan/07_0148_zhs.htm",
    "http://www.cdc.gov/pcd/issues/2007/oct/07_0012_fr.htm",
    "https://www.cdc.gov/pcd/issues/2009/oct/08_0226_es.htm",
    "https://www.cdc.gov/pcd/issues/2009/jul/09_0017_es.htm",
    "https://www.cdc.gov/pcd/issues/2005/apr/04_0093_zht.htm",
    "https://www.cdc.gov/pcd/issues/2005/nov/05_0058_zht.htm",
    "http://www.cdc.gov/pcd/issues/2011/jul/10_0243_es.htm",
    "http://www.cdc.gov/pcd/issues/2006/apr/05_0215_es.htm",
    "https://www.cdc.gov/pcd/issues/2008/apr/08_0025.htm",
    "http://www.cdc.gov/pcd/issues/2007/apr/06_0105.htm",
    "https://www.cdc.gov/pcd/issues/2009/apr/08_0108.htm",
    "http://www.cdc.gov/pcd/issues/2009/jan/07_0199_zhs.htm",
    "http://www.cdc.gov/PCD/issues/2010/jan/08_0176_es.htm",
    "https://www.cdc.gov/pcd/issues/2005/nov/05_0071.htm",
    "http://www.cdc.gov/pcd/issues/2011/jul/10_0177.htm",
    "http://www.cdc.gov/pcd/issues/2008/jul/07_0077_es.htm",
    "https://www.cdc.gov/pcd/issues/2008/apr/07_0204.htm",
    "http://www.cdc.gov/pcd/issues/2011/jul/10_0124_es.htm",
    "http://www.cdc.gov/pcd/issues/2010/may/09_0158.htm",
    "https://www.cdc.gov/pcd/issues/2006/jan/05_0065.htm",
    "https://www.cdc.gov/pcd/issues/2008/jan/06_0172_es.htm",
    "https://www.cdc.gov/pcd/issues/2008/jul/07_0157_zhs.htm"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/pcd/issues/2010/may/09_0123.htm.",
    "Locate the element: .smallfield",
    "Confirm the axe-core finding for rule label-title-only."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/label-title-only?application=axeAPI",
   "obligation": "advisory",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/axe-core__label-title-only.csv"
  },
  {
   "instance_id": "VS-83e60365",
   "pattern_id": "VS-fa724f90",
   "a11y_pattern_fingerprint": "893c68269a29674373ce7e2a6da405bc1f812356462b8cd52eac330cc65b5d4b",
   "a11y_pattern_display_id": "A11Y-PAT-893C68269A29",
   "a11y_occurrence_fingerprint": "296d5e8d86833504b0e1932f1d808405ea4b366b66484b42ef6e3b6ce28b31c4",
   "a11y_occurrence_display_id": "A11Y-OCC-296D5E8D8683",
   "url": "https://www.cdc.gov/autism/data-research/autism-data-visualization-tool.html",
   "xpath": "#tooltip-\\:ra\\:",
   "html_snippet": "<a id=\"tooltip-:ra:\" role=\"dialog\" tabindex=\"0\" class=\"cove-tooltip--target\" data-tooltip-float=\"false\" data-tooltip-place=\"top\" data-tooltip-isopen=\"true\">",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "evidence_status": "automated-indicator",
   "rule_id": "aria-dialog-name",
   "rule_label": "ARIA dialog and alertdialog nodes should have an accessible name",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/aria-dialog-name?application=axeAPI",
   "severity": "Serious",
   "frequency": {
    "instances": 2,
    "pages_affected": 2,
    "total_pages_scanned": 1858
   },
   "likely_source": "content",
   "summary": "ARIA dialog and alertdialog nodes should have an accessible name (WCAG criterion undetermined)",
   "description": "ARIA dialog and alertdialog nodes should have an accessible name. Detected by axe-core rule aria-dialog-name on 2 of 1858 scanned pages (2 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/autism/data-research/autism-data-visualization-tool.html",
     "xpath": "#tooltip-\\:ra\\:",
     "html_snippet": "<a id=\"tooltip-:ra:\" role=\"dialog\" tabindex=\"0\" class=\"cove-tooltip--target\" data-tooltip-float=\"false\" data-tooltip-place=\"top\" data-tooltip-isopen=\"true\">"
    },
    {
     "url": "http://www.cdc.gov/wtc/exhibition",
     "xpath": "#contentwarningindex",
     "html_snippet": "<div class=\"modal fade show\" id=\"contentwarningindex\" tabindex=\"-1\" role=\"dialog\" aria-labelledby=\"contentwarningindexLabel\" aria-modal=\"true\" style=\"display: block;\">"
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/autism/data-research/autism-data-visualization-tool.html",
    "http://www.cdc.gov/wtc/exhibition"
   ],
   "affected_pages": [
    "https://www.cdc.gov/autism/data-research/autism-data-visualization-tool.html",
    "http://www.cdc.gov/wtc/exhibition"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/autism/data-research/autism-data-visualization-tool.html.",
    "Locate the element: #tooltip-\\:ra\\:",
    "Confirm the axe-core finding for rule aria-dialog-name."
   ],
   "remediation_tip": "Give the dialog an accessible name (aria-label or aria-labelledby).",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/aria-dialog-name?application=axeAPI",
   "obligation": "advisory",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W29",
   "last_seen": "2026-W38",
   "weeks_seen": 8,
   "affected_pages_csv": "csv/axe-core__aria-dialog-name.csv"
  },
  {
   "instance_id": "VS-8ce894db",
   "pattern_id": "VS-7430f84c",
   "a11y_pattern_fingerprint": "e9958a3bafbd45a3765e08fd448f74ed00e5fe80d5c957751d5e70c42aad5a65",
   "a11y_pattern_display_id": "A11Y-PAT-E9958A3BAFBD",
   "a11y_occurrence_fingerprint": "98d49911d23ec25943b56c30953ce4bf62ec4020123c96231b85897761298075",
   "a11y_occurrence_display_id": "A11Y-OCC-98D49911D23E",
   "url": "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish",
   "xpath": "a[href$=\"#content\"]",
   "html_snippet": "<a class=\"skippy visually-hidden-focusable\" href=\"#content\" tabindex=\"1\">Ir al contenido del sitio</a>",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "evidence_status": "automated-indicator",
   "rule_id": "tabindex",
   "rule_label": "Elements should not have tabindex greater than zero",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/tabindex?application=axeAPI",
   "severity": "Serious",
   "frequency": {
    "instances": 3,
    "pages_affected": 1,
    "total_pages_scanned": 1858
   },
   "likely_source": "content",
   "summary": "Elements should not have tabindex greater than zero (WCAG criterion undetermined)",
   "description": "Elements should not have tabindex greater than zero. Detected by axe-core rule tabindex on 1 of 1858 scanned pages (3 instances).",
   "examples": [
    {
     "url": "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish",
     "xpath": "a[href$=\"#content\"]",
     "html_snippet": "<a class=\"skippy visually-hidden-focusable\" href=\"#content\" tabindex=\"1\">Ir al contenido del sitio</a>"
    },
    {
     "url": "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish",
     "xpath": "a[href$=\"#headerSearch\"]",
     "html_snippet": "<a class=\"skippy visually-hidden-focusable\" href=\"#headerSearch\" tabindex=\"2\">Ir a la búsqueda</a>"
    },
    {
     "url": "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish",
     "xpath": "#animation-toggle",
     "html_snippet": "<button id=\"animation-toggle\" aria-pressed=\"true\" tabindex=\"3\"><span class=\"visually-hidden\">Pausar el carrusel</span></button>"
    }
   ],
   "example_pages": [
    "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish"
   ],
   "affected_pages": [
    "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish.",
    "Locate the element: a[href$=\"#content\"]",
    "Confirm the axe-core finding for rule tabindex."
   ],
   "remediation_tip": "Avoid tabindex values greater than 0; they create a confusing tab order.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/tabindex?application=axeAPI",
   "obligation": "advisory",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 7,
   "affected_pages_csv": "csv/axe-core__tabindex.csv"
  },
  {
   "instance_id": "VS-56e1ae8c",
   "pattern_id": "VS-8806389c",
   "a11y_pattern_fingerprint": "620002d95635a7c7cbfe4abcce5dc6213521bc9b1df0918d6416da67d9d8bef1",
   "a11y_pattern_display_id": "A11Y-PAT-620002D95635",
   "a11y_occurrence_fingerprint": "313df7d8e743acdab06e47a7be67339c517e96cee9182f3ad3c0bef2c4c4e933",
   "a11y_occurrence_display_id": "A11Y-OCC-313DF7D8E743",
   "url": "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
   "xpath": ".page-right-rail__static",
   "html_snippet": "<aside class=\"page-right-rail__static noindex\" role=\"complementary\" style=\"margin-top: 47px;\">",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "evidence_status": "automated-indicator",
   "rule_id": "landmark-unique",
   "rule_label": "Landmarks should have a unique role or role/label/title (i.e. accessible name) c",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/landmark-unique?application=axeAPI",
   "severity": "Moderate",
   "frequency": {
    "instances": 534,
    "pages_affected": 518,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Landmarks should have a unique role or role/label/title (i.e. accessible name) c (WCAG criterion undetermined)",
   "description": "Landmarks should have a unique role or role/label/title (i.e. accessible name) c. Detected by axe-core rule landmark-unique on 518 of 1858 scanned pages (534 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
     "xpath": ".page-right-rail__static",
     "html_snippet": "<aside class=\"page-right-rail__static noindex\" role=\"complementary\" style=\"margin-top: 47px;\">"
    },
    {
     "url": "http://www.cdc.gov/nchhstp/connections/issue-23-2.html",
     "xpath": ".page-right-rail__static",
     "html_snippet": "<aside class=\"page-right-rail__static noindex\" role=\"complementary\" style=\"margin-top: 47px;\">"
    },
    {
     "url": "http://www.cdc.gov/global-hiv-tb/php/globalhiv/index.html",
     "xpath": ".page-right-rail__static",
     "html_snippet": "<aside class=\"page-right-rail__static noindex\" role=\"complementary\" style=\"margin-top: 47px;\">"
    },
    {
     "url": "http://www.cdc.gov/pertussis/about/index.html",
     "xpath": ".page-right-rail__static",
     "html_snippet": "<aside class=\"page-right-rail__static noindex\" role=\"complementary\" style=\"margin-top: 47px;\">"
    },
    {
     "url": "http://www.cdc.gov/rubella/vaccine-impact/index.html",
     "xpath": ".page-right-rail__static",
     "html_snippet": "<aside class=\"page-right-rail__static noindex\" role=\"complementary\" style=\"margin-top: 47px;\">"
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
    "http://www.cdc.gov/nchhstp/connections/issue-23-2.html",
    "http://www.cdc.gov/global-hiv-tb/php/globalhiv/index.html"
   ],
   "affected_pages": [
    "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
    "http://www.cdc.gov/nchhstp/connections/issue-23-2.html",
    "http://www.cdc.gov/global-hiv-tb/php/globalhiv/index.html",
    "http://www.cdc.gov/pertussis/about/index.html",
    "http://www.cdc.gov/rubella/vaccine-impact/index.html",
    "https://www.cdc.gov/lead-prevention/prevention/soil.html",
    "http://www.cdc.gov/niosh/research-programs/evaluation/plan.html",
    "https://www.cdc.gov/bird-flu/situation-summary/wildbirds.html",
    "http://www.cdc.gov/niosh/corrections/about/index.html",
    "https://www.cdc.gov/control-legionella/php/healthcare/federal-requirement.html",
    "http://www.cdc.gov/global-immunization/stop/frequently-asked-questions.html",
    "http://www.cdc.gov/cancer-survivors/es/patients/clinical-trials.html",
    "http://www.cdc.gov/stop-overdose/stigma-reduction/index.html",
    "https://www.cdc.gov/nndss/technical-resource-center/phase-2.html",
    "https://www.cdc.gov/diabetes/caring/3-ways-help-manage-childs-type-1.html",
    "http://www.cdc.gov/hepatitis-surveillance-2023/hepatitis-a/index.html",
    "https://www.cdc.gov/hepatitis-a/signs-symptoms/index.html",
    "https://www.cdc.gov/nchs/linked-data/medicare/index.html",
    "https://www.cdc.gov/ncbddd/about/protecting-people.html",
    "http://www.cdc.gov/niosh/bulletin/2024/sept-11.html",
    "http://www.cdc.gov/pinkbook/hcp/table-of-contents/chapter-17-pneumococcal-disease.html",
    "http://www.cdc.gov/children-mental-health/about/obsessive-compulsive-disorder-in-children.html",
    "https://www.cdc.gov/model-aquatic-health-code/php/about/creating-the-mahc.html",
    "http://www.cdc.gov/abes/about/index.html",
    "https://www.cdc.gov/phlp/php/publications/protecting-patient-access-to-emergency-medications-act.html"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/colorectal-cancer/risk-factors/index.html.",
    "Locate the element: .page-right-rail__static",
    "Confirm the axe-core finding for rule landmark-unique."
   ],
   "remediation_tip": "When a landmark role/type repeats (e.g. two <nav>s), give each a distinct accessible name with aria-label or aria-labelledby (e.g. \"Primary\" and \"Footer\" navigation) so screen-reader users can tell them apart.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/landmark-unique?application=axeAPI",
   "obligation": "advisory",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/axe-core__landmark-unique.csv"
  },
  {
   "instance_id": "VS-9d7f38a2",
   "pattern_id": "VS-d25f622d",
   "a11y_pattern_fingerprint": "84ee1f259fc50595bd3d78bb61af51b983f588c75ea1e9c1ed653db9264af089",
   "a11y_pattern_display_id": "A11Y-PAT-84EE1F259FC5",
   "a11y_occurrence_fingerprint": "62adc9fc0c1daaad52cd2ced47ea4766897418579cb1e1f989c3ce773ffe8253",
   "a11y_occurrence_display_id": "A11Y-OCC-62ADC9FC0C1D",
   "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
   "xpath": "h3",
   "html_snippet": "<h3>References </h3>",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "evidence_status": "automated-indicator",
   "rule_id": "heading-order",
   "rule_label": "Heading levels should only increase by one",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/heading-order?application=axeAPI",
   "severity": "Moderate",
   "frequency": {
    "instances": 688,
    "pages_affected": 504,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Heading levels should only increase by one (WCAG criterion undetermined)",
   "description": "Heading levels should only increase by one. Detected by axe-core rule heading-order on 504 of 1858 scanned pages (688 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
     "xpath": "h3",
     "html_snippet": "<h3>References </h3>"
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00017426.htm",
     "xpath": "h3:nth-child(13)",
     "html_snippet": "<h3>Editorial Note</h3>"
    },
    {
     "url": "https://www.cdc.gov/pcd/issues/2010/may/09_0123.htm",
     "xpath": "h4",
     "html_snippet": "<h4>Ana P. Ortiz, PhD, MPH; Sarah Hebl; Ruby Serrano, MS, DrPH; María E. Fernandez, PhD; Erick Suárez, PhD; Guillermo Tortolero-Luna, MD, PhD</h4>"
    },
    {
     "url": "https://www.cdc.gov/pcd/issues/2010/may/09_0123.htm",
     "xpath": "h5:nth-child(4)",
     "html_snippet": "<h5>"
    },
    {
     "url": "https://www.cdc.gov/mmwr/volumes/66/wr/mm6614a4.htm?s_cid=mm6614a4_w",
     "xpath": ".bg-white.card-body > h5:nth-child(1)",
     "html_snippet": "<h5>Altmetric:</h5>"
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00017426.htm",
    "https://www.cdc.gov/pcd/issues/2010/may/09_0123.htm"
   ],
   "affected_pages": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00017426.htm",
    "https://www.cdc.gov/pcd/issues/2010/may/09_0123.htm",
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6614a4.htm?s_cid=mm6614a4_w",
    "http://www.cdc.gov/PCD/issues/2008/apr/07_0053_es.htm",
    "https://www.cdc.gov/niosh-rtecs/KW88B80.html",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5033a4.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5025a2.htm",
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6650a7.htm?s_cid=mm6650a7_w",
    "https://www.cdc.gov/pcd/about_the_journal/Statistics_Review_Committee.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5402a2.htm",
    "http://www.cdc.gov/pcd/issues/2005/apr/05_0027.htm",
    "https://www.cdc.gov/mmwr/volumes/71/su/su7103a5.htm?s_cid=su7103a5_w",
    "https://www.cdc.gov/nchs/products/databriefs/db16.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5415a1.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00019549.htm",
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6616a2.htm?s_cid=mm6616a2_w",
    "https://www.cdc.gov/mmwr/volumes/72/wr/mm7216a2.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00047831.htm",
    "http://www.cdc.gov/han/2024/han00505.html",
    "https://www.cdc.gov/pcd/issues/2020/20_0263.htm",
    "https://www.cdc.gov/pcd/issues/2024/23_0329.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5317a3.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5505a6.htm",
    "https://www.cdc.gov/dpdx/dicrocoeliasis/index.html"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm.",
    "Locate the element: h3",
    "Confirm the axe-core finding for rule heading-order."
   ],
   "remediation_tip": "Use heading levels in order (h1 → h2 → h3) without skipping; structure, not size.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/heading-order?application=axeAPI",
   "obligation": "advisory",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/axe-core__heading-order.csv"
  },
  {
   "instance_id": "VS-9682ffae",
   "pattern_id": "VS-d5d82446",
   "a11y_pattern_fingerprint": "a450a7698aaf03937318b6dd993eaec674fe750259d8293a437ce41a5562119c",
   "a11y_pattern_display_id": "A11Y-PAT-A450A7698AAF",
   "a11y_occurrence_fingerprint": "e64ce63b4147385b10e6940f37a4c855e1e4d0a82308228a125c51f3d0cf3820",
   "a11y_occurrence_display_id": "A11Y-OCC-E64CE63B4147",
   "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
   "xpath": "html",
   "html_snippet": "<html>",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "evidence_status": "automated-indicator",
   "rule_id": "landmark-one-main",
   "rule_label": "Document should have one main landmark",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/landmark-one-main?application=axeAPI",
   "severity": "Moderate",
   "frequency": {
    "instances": 458,
    "pages_affected": 458,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Document should have one main landmark (WCAG criterion undetermined)",
   "description": "Document should have one main landmark. Detected by axe-core rule landmark-one-main on 458 of 1858 scanned pages (458 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "html",
     "html_snippet": "<html>"
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4843a5.htm",
     "xpath": "html",
     "html_snippet": "<html>"
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
     "xpath": "html",
     "html_snippet": "<html>"
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00017426.htm",
     "xpath": "html",
     "html_snippet": "<html>"
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/00017425.htm",
     "xpath": "html",
     "html_snippet": "<html>"
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4843a5.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm"
   ],
   "affected_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4843a5.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00017426.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00017425.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5114md.htm",
    "https://www.cdc.gov/pcd/issues/2010/may/09_0123.htm",
    "http://www.cdc.gov/PCD/issues/2008/apr/07_0053_es.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5033a4.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5025a2.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5402a2.htm",
    "http://www.cdc.gov/pcd/issues/2005/apr/05_0027.htm",
    "https://www.cdc.gov/flu/weekly/weeklyarchives2023-2024/data/senAllregt24.html",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5415a1.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00046714.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00019549.htm",
    "https://www.cdc.gov/flu/weekly/weeklyarchives2023-2024/ILI30.html",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6016md.htm?s_cid=mm6016md_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00047831.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5317a3.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5505a6.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00039041.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6034a2.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6348a1.htm?s_cid=mm6348a1_w"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/pcd/issues/2010/jul/toc.htm.",
    "Locate the element: html",
    "Confirm the axe-core finding for rule landmark-one-main."
   ],
   "remediation_tip": "Each page should have exactly one <main> landmark.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/landmark-one-main?application=axeAPI",
   "obligation": "advisory",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/axe-core__landmark-one-main.csv"
  },
  {
   "instance_id": "VS-742aab37",
   "pattern_id": "VS-fa44f293",
   "a11y_pattern_fingerprint": "dde445fcaffcc42b35e94be09821d445e5990668d8d6775b97dc009e80816662",
   "a11y_pattern_display_id": "A11Y-PAT-DDE445FCAFFC",
   "a11y_occurrence_fingerprint": "2c2dd72c9cc1adf60e58d7281eaa61aebd47077f709192f029413f18157f7791",
   "a11y_occurrence_display_id": "A11Y-OCC-2C2DD72C9CC1",
   "url": "https://www.cdc.gov/sti/es/site.html",
   "xpath": "html",
   "html_snippet": "<html lang=\"es-us\" class=\"cdc-theme-cdc cdc-page-type--content\" style=\"--mobile-header-offset: 0px;\">",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "evidence_status": "automated-indicator",
   "rule_id": "page-has-heading-one",
   "rule_label": "Page should contain a level-one heading",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/page-has-heading-one?application=axeAPI",
   "severity": "Moderate",
   "frequency": {
    "instances": 55,
    "pages_affected": 55,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Page should contain a level-one heading (WCAG criterion undetermined)",
   "description": "Page should contain a level-one heading. Detected by axe-core rule page-has-heading-one on 55 of 1858 scanned pages (55 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/sti/es/site.html",
     "xpath": "html",
     "html_snippet": "<html lang=\"es-us\" class=\"cdc-theme-cdc cdc-page-type--content\" style=\"--mobile-header-offset: 0px;\">"
    },
    {
     "url": "https://www.cdc.gov/flu/weekly/weeklyarchives2023-2024/data/senAllregt24.html",
     "xpath": "html",
     "html_snippet": "<html>"
    },
    {
     "url": "https://www.cdc.gov/sleep/site.html",
     "xpath": "html",
     "html_snippet": "<html lang=\"en-us\" class=\"cdc-theme-cdc cdc-page-type--content\">"
    },
    {
     "url": "https://www.cdc.gov/flu/weekly/weeklyarchives2023-2024/ILI30.html",
     "xpath": "html",
     "html_snippet": "<html>"
    },
    {
     "url": "https://www.cdc.gov/vaccines/hcp/storage-handling/providers-role.html",
     "xpath": "html",
     "html_snippet": "<html lang=\"en-us\" class=\"cdc-theme-cdc cdc-page-type--home\" style=\"--mobile-header-offset: 0px;\">"
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/sti/es/site.html",
    "https://www.cdc.gov/flu/weekly/weeklyarchives2023-2024/data/senAllregt24.html",
    "https://www.cdc.gov/sleep/site.html"
   ],
   "affected_pages": [
    "https://www.cdc.gov/sti/es/site.html",
    "https://www.cdc.gov/flu/weekly/weeklyarchives2023-2024/data/senAllregt24.html",
    "https://www.cdc.gov/sleep/site.html",
    "https://www.cdc.gov/flu/weekly/weeklyarchives2023-2024/ILI30.html",
    "https://www.cdc.gov/vaccines/hcp/storage-handling/providers-role.html",
    "https://www.cdc.gov/fragile-x-syndrome/es/site.html",
    "https://www.cdc.gov/sudden-infant-death/index.html",
    "http://www.cdc.gov/vaccines-pregnancy/index.html",
    "http://www.cdc.gov/national-program-cancer-registries/index.html",
    "http://www.cdc.gov/nchs/ndi.htm",
    "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/flu-vaccines-work",
    "https://www.cdc.gov/fasd",
    "https://www.cdc.gov/flu/weekly/weeklyarchives2024-2025/data/iliage42.html",
    "https://www.cdc.gov/flu/weekly/weeklyarchives2024-2025/data/whoAllregt_cl24.html",
    "http://www.cdc.gov/shingles/es/site.html",
    "http://www.cdc.gov/chickenpox/es/site.html",
    "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/schoolvaxview/site.html",
    "https://cdc.gov/immigrant-refugee-health/site.html",
    "http://www.cdc.gov/dental-infection-control/hcp/index.html",
    "https://www.cdc.gov/condom-use/es/site.html",
    "https://www.cdc.gov/covid/es/site.html",
    "https://www.cdc.gov/ruralhealth",
    "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/pneumonia",
    "http://www.cdc.gov/copd",
    "https://www.cdc.gov/pcd/issues/2008/oct/bmscp_map.htm"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/sti/es/site.html.",
    "Locate the element: html",
    "Confirm the axe-core finding for rule page-has-heading-one."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/page-has-heading-one?application=axeAPI",
   "obligation": "advisory",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/axe-core__page-has-heading-one.csv"
  },
  {
   "instance_id": "VS-24eadff3",
   "pattern_id": "VS-4edfe386",
   "a11y_pattern_fingerprint": "8b1867fcda28eaf4612678fd39d1a9322d9aafb2563b280360bb03acab458130",
   "a11y_pattern_display_id": "A11Y-PAT-8B1867FCDA28",
   "a11y_occurrence_fingerprint": "f71fcd5e8765bda521ff36c0755415c32d06f4214f1581abd0afa8557b1b9e98",
   "a11y_occurrence_display_id": "A11Y-OCC-F71FCD5E8765",
   "url": "https://www.cdc.gov/pcd/issues/2012/11_0305_es.htm",
   "xpath": "a[href$=\"#az\"]",
   "html_snippet": "<a href=\"#az\" class=\"skippy\" title=\"Salte directo al listado de A-Z\">Salte directo al listado de A-Z</a>",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "evidence_status": "automated-indicator",
   "rule_id": "skip-link",
   "rule_label": "The skip-link target should exist and be focusable",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/skip-link?application=axeAPI",
   "severity": "Moderate",
   "frequency": {
    "instances": 10,
    "pages_affected": 10,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "The skip-link target should exist and be focusable (WCAG criterion undetermined)",
   "description": "The skip-link target should exist and be focusable. Detected by axe-core rule skip-link on 10 of 1858 scanned pages (10 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/pcd/issues/2012/11_0305_es.htm",
     "xpath": "a[href$=\"#az\"]",
     "html_snippet": "<a href=\"#az\" class=\"skippy\" title=\"Salte directo al listado de A-Z\">Salte directo al listado de A-Z</a>"
    },
    {
     "url": "http://www.cdc.gov/nchs/ndi.htm",
     "xpath": "a[href$=\"#cdc-search\"]",
     "html_snippet": "<a class=\"visually-hidden-focusable\" href=\"#cdc-search\">Skip directly to search</a>"
    },
    {
     "url": "https://www.cdc.gov/pcd/issues/2012/12_0136_es.htm",
     "xpath": "a[href$=\"#az\"]",
     "html_snippet": "<a href=\"#az\" class=\"skippy\" title=\"Salte directo al listado de A-Z\">Salte directo al listado de A-Z</a>"
    },
    {
     "url": "https://www.cdc.gov/pcd/issues/2014/13_0175_es.htm",
     "xpath": "a[href$=\"#az\"]",
     "html_snippet": "<a href=\"#az\" class=\"skippy\" title=\"Salte directo al listado de A-Z\">Salte directo al listado de A-Z</a>"
    },
    {
     "url": "https://www.cdc.gov/pcd/issues/2012/11_0344_es.htm",
     "xpath": "a[href$=\"#az\"]",
     "html_snippet": "<a href=\"#az\" class=\"skippy\" title=\"Salte directo al listado de A-Z\">Salte directo al listado de A-Z</a>"
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/pcd/issues/2012/11_0305_es.htm",
    "http://www.cdc.gov/nchs/ndi.htm",
    "https://www.cdc.gov/pcd/issues/2012/12_0136_es.htm"
   ],
   "affected_pages": [
    "https://www.cdc.gov/pcd/issues/2012/11_0305_es.htm",
    "http://www.cdc.gov/nchs/ndi.htm",
    "https://www.cdc.gov/pcd/issues/2012/12_0136_es.htm",
    "https://www.cdc.gov/pcd/issues/2014/13_0175_es.htm",
    "https://www.cdc.gov/pcd/issues/2012/11_0344_es.htm",
    "https://www.cdc.gov/toxocariasis/hcp/clinical-care/index.html",
    "https://www.cdc.gov/pcd/issues/2013/12_0142_es.htm",
    "https://www.cdc.gov/pcd/issues/2013/12_0286_es.htm",
    "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish",
    "https://www.cdc.gov/pcd/issues/2013/12_0200_es.htm"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/pcd/issues/2012/11_0305_es.htm.",
    "Locate the element: a[href$=\"#az\"]",
    "Confirm the axe-core finding for rule skip-link."
   ],
   "remediation_tip": "Ensure the skip link targets a real, focusable element (its href must match an existing id).",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/skip-link?application=axeAPI",
   "obligation": "advisory",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/axe-core__skip-link.csv"
  },
  {
   "instance_id": "VS-9f5c124d",
   "pattern_id": "VS-0ba8ce9d",
   "a11y_pattern_fingerprint": "24c34fdfcb183902a52f1702f9b7e15a4c0bc2d0a0f7e5f8534d3d8e6e569266",
   "a11y_pattern_display_id": "A11Y-PAT-24C34FDFCB18",
   "a11y_occurrence_fingerprint": "2849ff3342e6fca0934ff8e86fc9c1856392291a4d31fa45c23ce2dd1f8e3658",
   "a11y_occurrence_display_id": "A11Y-OCC-2849FF3342E6",
   "url": "http://www.cdc.gov/iis/core-data-elements/problems.html",
   "xpath": ".dfe-section:nth-child(1) > .dfe-block.dfe-block--cdcmodule.cdc_page_element > .dfe-block__inner > .cdc-textblock > .table-responsive > div > table > tbody > tr:nth-child(1) > td[scope=\"col\"]:nth-child(1)",
   "html_snippet": "<td scope=\"col\">Standard</td>",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "evidence_status": "automated-indicator",
   "rule_id": "scope-attr-valid",
   "rule_label": "scope attribute should be used correctly",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/scope-attr-valid?application=axeAPI",
   "severity": "Moderate",
   "frequency": {
    "instances": 71,
    "pages_affected": 8,
    "total_pages_scanned": 1858
   },
   "likely_source": "unknown",
   "summary": "scope attribute should be used correctly (WCAG criterion undetermined)",
   "description": "scope attribute should be used correctly. Detected by axe-core rule scope-attr-valid on 8 of 1858 scanned pages (71 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/iis/core-data-elements/problems.html",
     "xpath": ".dfe-section:nth-child(1) > .dfe-block.dfe-block--cdcmodule.cdc_page_element > .dfe-block__inner > .cdc-textblock > .table-responsive > div > table > tbody > tr:nth-child(1) > td[scope=\"col\"]:nth-child(1)",
     "html_snippet": "<td scope=\"col\">Standard</td>"
    },
    {
     "url": "http://www.cdc.gov/iis/core-data-elements/problems.html",
     "xpath": ".dfe-section:nth-child(1) > .dfe-block.dfe-block--cdcmodule.cdc_page_element > .dfe-block__inner > .cdc-textblock > .table-responsive > div > table > tbody > tr:nth-child(1) > td[scope=\"col\"]:nth-child(2)",
     "html_snippet": "<td scope=\"col\">Data Element</td>"
    },
    {
     "url": "http://www.cdc.gov/iis/core-data-elements/problems.html",
     "xpath": ".dfe-section:nth-child(1) > .dfe-block.dfe-block--cdcmodule.cdc_page_element > .dfe-block__inner > .cdc-textblock > .table-responsive > div > table > tbody > tr:nth-child(1) > td[scope=\"col\"]:nth-child(3)",
     "html_snippet": "<td scope=\"col\">Usage</td>"
    },
    {
     "url": "https://www.cdc.gov/fluview/surveillance/2024-week-48.html",
     "xpath": "tr:nth-child(1) > td[scope=\"row\"]",
     "html_snippet": "<td style=\"width: 518px;\" scope=\"row\"><strong>No. of specimens tested</strong></td>"
    },
    {
     "url": "https://www.cdc.gov/fluview/surveillance/2024-week-48.html",
     "xpath": "tr:nth-child(2) > td[scope=\"row\"]",
     "html_snippet": "<td style=\"width: 518px;\" scope=\"row\"><strong>No. of positive specimens (%)</strong></td>"
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/iis/core-data-elements/problems.html",
    "https://www.cdc.gov/fluview/surveillance/2024-week-48.html",
    "https://www.cdc.gov/acip/GRADE/hepb.html"
   ],
   "affected_pages": [
    "http://www.cdc.gov/iis/core-data-elements/problems.html",
    "https://www.cdc.gov/fluview/surveillance/2024-week-48.html",
    "https://www.cdc.gov/acip/GRADE/hepb.html",
    "https://www.cdc.gov/fluview/surveillance/2026-week-27.html",
    "https://www.cdc.gov/fluview/surveillance/2025-week-26.html",
    "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/flu/hcp/vaccine-supply/2022-2023.html",
    "https://www.cdc.gov/fluview/surveillance/2025-week-49.html",
    "https://www.cdc.gov/brfss/annual_data/2008/summary_matrix_08.html"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/iis/core-data-elements/problems.html.",
    "Locate the element: .dfe-section:nth-child(1) > .dfe-block.dfe-block--cdcmodule.cdc_page_element > .dfe-block__inner > .cdc-textblock > .table-responsive > div > table > tbody > tr:nth-child(1) > td[scope=\"col\"]:nth-child(1)",
    "Confirm the axe-core finding for rule scope-attr-valid."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/scope-attr-valid?application=axeAPI",
   "obligation": "advisory",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/axe-core__scope-attr-valid.csv"
  },
  {
   "instance_id": "VS-0b023134",
   "pattern_id": "VS-424cced9",
   "a11y_pattern_fingerprint": "5ea5d153a8302c325ebc4dd6526b278d7adb73d3d2cf5a79aaf67a9c812c3cfe",
   "a11y_pattern_display_id": "A11Y-PAT-5EA5D153A830",
   "a11y_occurrence_fingerprint": "fc01eb778ee091361f32b435952fad932587fe95f186d3e12d8d3ef23525325b",
   "a11y_occurrence_display_id": "A11Y-OCC-FC01EB778EE0",
   "url": "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish",
   "xpath": ".cdc-footer > footer",
   "html_snippet": "<footer>",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "evidence_status": "automated-indicator",
   "rule_id": "landmark-contentinfo-is-top-level",
   "rule_label": "Contentinfo landmark should not be contained in another landmark",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/landmark-contentinfo-is-top-level?application=axeAPI",
   "severity": "Moderate",
   "frequency": {
    "instances": 1,
    "pages_affected": 1,
    "total_pages_scanned": 1858
   },
   "likely_source": "content",
   "summary": "Contentinfo landmark should not be contained in another landmark (WCAG criterion undetermined)",
   "description": "Contentinfo landmark should not be contained in another landmark. Detected by axe-core rule landmark-contentinfo-is-top-level on 1 of 1858 scanned pages (1 instances).",
   "examples": [
    {
     "url": "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish",
     "xpath": ".cdc-footer > footer",
     "html_snippet": "<footer>"
    }
   ],
   "example_pages": [
    "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish"
   ],
   "affected_pages": [
    "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish.",
    "Locate the element: .cdc-footer > footer",
    "Confirm the axe-core finding for rule landmark-contentinfo-is-top-level."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/landmark-contentinfo-is-top-level?application=axeAPI",
   "obligation": "advisory",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 6,
   "affected_pages_csv": "csv/axe-core__landmark-contentinfo-is-top-level.csv"
  },
  {
   "instance_id": "VS-96b547e9",
   "pattern_id": "VS-054101da",
   "a11y_pattern_fingerprint": "1ea5622bbbfd21177d1f3f3eabf0ddf3e6228f179ca5dced89ab983267c1bc2c",
   "a11y_pattern_display_id": "A11Y-PAT-1EA5622BBBFD",
   "a11y_occurrence_fingerprint": "2a4cf5c478d9560e709a317c0c5a104a1e0e6abac11c0b8dd7e38d0ac949b972",
   "a11y_occurrence_display_id": "A11Y-OCC-2A4CF5C478D9",
   "url": "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish",
   "xpath": ".cdc-header",
   "html_snippet": "<header class=\"container cdc-header\">",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "evidence_status": "automated-indicator",
   "rule_id": "landmark-no-duplicate-banner",
   "rule_label": "Document should not have more than one banner landmark",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/landmark-no-duplicate-banner?application=axeAPI",
   "severity": "Moderate",
   "frequency": {
    "instances": 1,
    "pages_affected": 1,
    "total_pages_scanned": 1858
   },
   "likely_source": "content",
   "summary": "Document should not have more than one banner landmark (WCAG criterion undetermined)",
   "description": "Document should not have more than one banner landmark. Detected by axe-core rule landmark-no-duplicate-banner on 1 of 1858 scanned pages (1 instances).",
   "examples": [
    {
     "url": "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish",
     "xpath": ".cdc-header",
     "html_snippet": "<header class=\"container cdc-header\">"
    }
   ],
   "example_pages": [
    "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish"
   ],
   "affected_pages": [
    "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish.",
    "Locate the element: .cdc-header",
    "Confirm the axe-core finding for rule landmark-no-duplicate-banner."
   ],
   "remediation_tip": "Use only one banner landmark (<header> at the top level) per page.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/landmark-no-duplicate-banner?application=axeAPI",
   "obligation": "advisory",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 9,
   "affected_pages_csv": "csv/axe-core__landmark-no-duplicate-banner.csv"
  },
  {
   "instance_id": "VS-22e944fd",
   "pattern_id": "VS-b465dfd7",
   "a11y_pattern_fingerprint": "5ed1d365302ef0eaf38485b84f287d3e45137fac440e7022b9bb1d296ce41ca9",
   "a11y_pattern_display_id": "A11Y-PAT-5ED1D365302E",
   "a11y_occurrence_fingerprint": "a0755f20391f8fb4d1569beebecc5c8d4163d3a52a61d8f4baadea19843ef789",
   "a11y_occurrence_display_id": "A11Y-OCC-A0755F20391F",
   "url": "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish",
   "xpath": ".cdc-footer",
   "html_snippet": "<footer class=\"container cdc-footer noindex\" role=\"contentinfo\">",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "evidence_status": "automated-indicator",
   "rule_id": "landmark-no-duplicate-contentinfo",
   "rule_label": "Document should not have more than one contentinfo landmark",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/landmark-no-duplicate-contentinfo?application=axeAPI",
   "severity": "Moderate",
   "frequency": {
    "instances": 1,
    "pages_affected": 1,
    "total_pages_scanned": 1858
   },
   "likely_source": "content",
   "summary": "Document should not have more than one contentinfo landmark (WCAG criterion undetermined)",
   "description": "Document should not have more than one contentinfo landmark. Detected by axe-core rule landmark-no-duplicate-contentinfo on 1 of 1858 scanned pages (1 instances).",
   "examples": [
    {
     "url": "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish",
     "xpath": ".cdc-footer",
     "html_snippet": "<footer class=\"container cdc-footer noindex\" role=\"contentinfo\">"
    }
   ],
   "example_pages": [
    "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish"
   ],
   "affected_pages": [
    "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish.",
    "Locate the element: .cdc-footer",
    "Confirm the axe-core finding for rule landmark-no-duplicate-contentinfo."
   ],
   "remediation_tip": "Use only one contentinfo landmark (<footer> at the top level) per page.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/landmark-no-duplicate-contentinfo?application=axeAPI",
   "obligation": "advisory",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 6,
   "affected_pages_csv": "csv/axe-core__landmark-no-duplicate-contentinfo.csv"
  },
  {
   "instance_id": "VS-98c52b50",
   "pattern_id": "VS-4fac2f41",
   "a11y_pattern_fingerprint": "6d8353f6ef15cf2dd8614be0fc66c66be70a770173909481b30baf20018feb39",
   "a11y_pattern_display_id": "A11Y-PAT-6D8353F6EF15",
   "a11y_occurrence_fingerprint": "fbba28d480d8372e50cd655e07c070cef07b5232102765e2e8f50fb3dcc3612a",
   "a11y_occurrence_display_id": "A11Y-OCC-FBBA28D480D8",
   "url": "http://www.cdc.gov/niosh/publications/es/numbered/2008-118sp.html",
   "xpath": "img[alt=\"2008-118sp\"]",
   "html_snippet": "<img src=\"/niosh/media/images/2026/05/2008-118_sp-cover.jpg\" alt=\"2008-118sp\" role=\"presentation\">",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "evidence_status": "automated-indicator",
   "rule_id": "aria-allowed-role",
   "rule_label": "ARIA role should be appropriate for the element",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/aria-allowed-role?application=axeAPI",
   "severity": "Minor",
   "frequency": {
    "instances": 93,
    "pages_affected": 81,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "ARIA role should be appropriate for the element (WCAG criterion undetermined)",
   "description": "ARIA role should be appropriate for the element. Detected by axe-core rule aria-allowed-role on 81 of 1858 scanned pages (93 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/niosh/publications/es/numbered/2008-118sp.html",
     "xpath": "img[alt=\"2008-118sp\"]",
     "html_snippet": "<img src=\"/niosh/media/images/2026/05/2008-118_sp-cover.jpg\" alt=\"2008-118sp\" role=\"presentation\">"
    },
    {
     "url": "https://www.cdc.gov/niosh/docs/2022-128",
     "xpath": "img[src$=\"128.png\"]",
     "html_snippet": "<img src=\"/niosh/docs/2022-128/128.png\" alt=\"Electrical Safety and Arc Welding\t2022-128\" role=\"presentation\">"
    },
    {
     "url": "http://www.cdc.gov/niosh/docs/2009-105",
     "xpath": "img[role=\"presentation\"]",
     "html_snippet": "<img src=\"/niosh/media/images/2026/06/2009-105.jpg\" alt=\"Environmental Control for Tuberculosis: Basic Upper-Room Ultraviolet Germicidal Irradiation Guidelines for Healthcare Settings\" role=\"presentat"
    },
    {
     "url": "http://www.cdc.gov/niosh/docs/mining/works/coversheet643.html",
     "xpath": "img[role=\"presentation\"]",
     "html_snippet": "<img src=\"/niosh/media/images/2026/03/2002-107-thumb.png\" alt=\"Traumatic Incident Stress: Information for Emergency Response Workers\" role=\"presentation\">"
    },
    {
     "url": "http://www.cdc.gov/niosh/publications/numbered/2021-124.html",
     "xpath": "img[alt=\"2021-124-2\"]",
     "html_snippet": "<img src=\"/niosh/docs/2021-124/images/2021-124.jpg\" alt=\"2021-124-2\" role=\"presentation\">"
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/niosh/publications/es/numbered/2008-118sp.html",
    "https://www.cdc.gov/niosh/docs/2022-128",
    "http://www.cdc.gov/niosh/docs/2009-105"
   ],
   "affected_pages": [
    "http://www.cdc.gov/niosh/publications/es/numbered/2008-118sp.html",
    "https://www.cdc.gov/niosh/docs/2022-128",
    "http://www.cdc.gov/niosh/docs/2009-105",
    "http://www.cdc.gov/niosh/docs/mining/works/coversheet643.html",
    "http://www.cdc.gov/niosh/publications/numbered/2021-124.html",
    "http://www.cdc.gov/niosh/docs/2011-179",
    "https://www.cdc.gov/spanish/NIOSH/docs/2010-117_sp",
    "http://www.cdc.gov/niosh/publications/es/numbered/2010-103sp.html",
    "http://www.cdc.gov/niosh/docs/2004-110/default.html",
    "http://www.cdc.gov/niosh/publications/numbered/2008-109.html",
    "https://www.cdc.gov/niosh/publications/hcp/numbered/99-105.html",
    "http://www.cdc.gov/niosh/publications/numbered/2025-111.html",
    "http://www.cdc.gov/niosh/publications/numbered/2019-127.html",
    "https://www.cdc.gov/wtc/newsYouthCohortDeadline_20230818.html",
    "http://www.cdc.gov/niosh/docs/2004-175",
    "http://www.cdc.gov/niosh/docs/mining/works/coversheet1679.html",
    "http://www.cdc.gov/niosh/publications/numbered/2013-152.html",
    "http://www.cdc.gov/niosh/docs/mining/works/coversheet1643.html",
    "http://www.cdc.gov/spanish/niosh/docs/2011-202_sp",
    "https://www.cdc.gov/niosh/publications/es/numbered/2017-125sp.html",
    "https://www.cdc.gov/niosh/docs/2017-202",
    "https://www.cdc.gov/niosh/docs/2017-133/default.html",
    "https://www.cdc.gov/niosh/docs/2002-101",
    "https://www.cdc.gov/wtc/administrator.html",
    "http://www.cdc.gov/wtc/contact.html"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/niosh/publications/es/numbered/2008-118sp.html.",
    "Locate the element: img[alt=\"2008-118sp\"]",
    "Confirm the axe-core finding for rule aria-allowed-role."
   ],
   "remediation_tip": "Remove or change the ARIA role — it isn't allowed on this element type.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/aria-allowed-role?application=axeAPI",
   "obligation": "advisory",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/axe-core__aria-allowed-role.csv"
  },
  {
   "instance_id": "VS-179ff5b1",
   "pattern_id": "VS-0066c67d",
   "a11y_pattern_fingerprint": "01af6b4948134768a7bffa6f2a09a7c6f2ce96fa21d87db4925afc153559ec94",
   "a11y_pattern_display_id": "A11Y-PAT-01AF6B494813",
   "a11y_occurrence_fingerprint": "5ccb9e068d7b3926680e6068fa7a88056778b7d8eab2f0087fb2db923976e45c",
   "a11y_occurrence_display_id": "A11Y-OCC-5CCB9E068D7B",
   "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5402a2.htm",
   "xpath": "h3:nth-child(27)",
   "html_snippet": "<h3>\n      </h3>",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "evidence_status": "automated-indicator",
   "rule_id": "empty-heading",
   "rule_label": "Headings should not be empty",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/empty-heading?application=axeAPI",
   "severity": "Minor",
   "frequency": {
    "instances": 32,
    "pages_affected": 32,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Headings should not be empty (WCAG criterion undetermined)",
   "description": "Headings should not be empty. Detected by axe-core rule empty-heading on 32 of 1858 scanned pages (32 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5402a2.htm",
     "xpath": "h3:nth-child(27)",
     "html_snippet": "<h3>\n      </h3>"
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5317a3.htm",
     "xpath": "h3:nth-child(24)",
     "html_snippet": "<h3>\n      </h3>"
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5343a5.htm",
     "xpath": "h3:nth-child(24)",
     "html_snippet": "<h3>\n      </h3>"
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5411a2.htm",
     "xpath": "h3:nth-child(27)",
     "html_snippet": "<h3>\n        </h3>"
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5314a1.htm",
     "xpath": "h3:nth-child(24)",
     "html_snippet": "<h3>\n      </h3>"
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5402a2.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5317a3.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5343a5.htm"
   ],
   "affected_pages": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5402a2.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5317a3.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5343a5.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5411a2.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5314a1.htm",
    "http://www.cdc.gov/asthma/NHIS/default.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5421a7.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5337a2.htm",
    "http://www.cdc.gov/nhsn/faqs/faq-au.html",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5310a2.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5310a3.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5339a4.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5334a5.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5128a5.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/ss5608a2.htm",
    "https://www.cdc.gov/nchs/products/databriefs/db42.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5540a1.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5507a5.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5334a2.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5126a1.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/ss5504a2.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5420a3.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5327a2.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5137a1.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5238a1.htm"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5402a2.htm.",
    "Locate the element: h3:nth-child(27)",
    "Confirm the axe-core finding for rule empty-heading."
   ],
   "remediation_tip": "Remove empty headings or give them text. Don't use heading tags for spacing.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/empty-heading?application=axeAPI",
   "obligation": "advisory",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/axe-core__empty-heading.csv"
  },
  {
   "instance_id": "VS-74cb4b23",
   "pattern_id": "VS-d69fc059",
   "a11y_pattern_fingerprint": "bb8178646c92a45d5e6aaedc08b5c424cc4b4a255af9a24738dd9f6cb41a8dbb",
   "a11y_pattern_display_id": "A11Y-PAT-BB8178646C92",
   "a11y_occurrence_fingerprint": "d54be16d3955ad0237907ed330e5db049a6fd1986da67e4b4e9e844b3f22c35b",
   "a11y_occurrence_display_id": "A11Y-OCC-D54BE16D3955",
   "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
   "xpath": "#table-19 > tbody > tr:nth-child(2) > .col-head:nth-child(4)",
   "html_snippet": "<th class=\"col-head\" scope=\"col\" rowspan=\"2\">\n\t\t\t\t\t\t\t</th>",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "evidence_status": "automated-indicator",
   "rule_id": "empty-table-header",
   "rule_label": "Table header text should not be empty",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/empty-table-header?application=axeAPI",
   "severity": "Minor",
   "frequency": {
    "instances": 97,
    "pages_affected": 31,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Table header text should not be empty (WCAG criterion undetermined)",
   "description": "Table header text should not be empty. Detected by axe-core rule empty-table-header on 31 of 1858 scanned pages (97 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
     "xpath": "#table-19 > tbody > tr:nth-child(2) > .col-head:nth-child(4)",
     "html_snippet": "<th class=\"col-head\" scope=\"col\" rowspan=\"2\">\n\t\t\t\t\t\t\t</th>"
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
     "xpath": "tr:nth-child(2) > .col-head:nth-child(5)",
     "html_snippet": "<th class=\"col-head\" scope=\"col\" rowspan=\"2\">\n\t\t\t\t\t\t\t</th>"
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6016md.htm?s_cid=mm6016md_w",
     "xpath": ".story:nth-child(42) > table > tbody > tr:nth-child(2) > .col-head:nth-child(4)",
     "html_snippet": "<th class=\"col-head\" scope=\"col\" rowspan=\"2\">\n\t\t\t\t\t\t\t</th>"
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6016md.htm?s_cid=mm6016md_w",
     "xpath": "tr:nth-child(2) > .col-head:nth-child(5)",
     "html_snippet": "<th class=\"col-head\" scope=\"col\" rowspan=\"2\">\n\t\t\t\t\t\t\t</th>"
    },
    {
     "url": "https://www.cdc.gov/fluview/surveillance/2024-week-48.html",
     "xpath": ".table-responsive > div > .table-bordered.table-condensed > thead > tr > th[scope=\"col\"]:nth-child(1)",
     "html_snippet": "<th style=\"width: 518px;\" scope=\"col\"></th>"
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6016md.htm?s_cid=mm6016md_w",
    "https://www.cdc.gov/fluview/surveillance/2024-week-48.html"
   ],
   "affected_pages": [
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6016md.htm?s_cid=mm6016md_w",
    "https://www.cdc.gov/fluview/surveillance/2024-week-48.html",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5923md.htm?s_cid=mm5923md_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6002a1.htm?s_cid=mm6002a1_w",
    "https://www.cdc.gov/niosh/nmam/method-cas4.html",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6008a9.htm?s_cid=mm6008a9_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5952md.htm?s_cid=mm5952md_w",
    "https://www.cdc.gov/asthma/nhis/05/table4-2.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5905md.htm",
    "https://www.cdc.gov/flu/weekly/weeklyarchives2024-2025/data/iliage42.html",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6034md.htm?s_cid=mm6034md_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/su6203a3.htm?s_cid=su6203a3_w",
    "https://www.cdc.gov/fluview/surveillance/2026-week-27.html",
    "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/nchs/pressroom/upcoming.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5935a4.htm",
    "http://www.cdc.gov/nhsn/about-nhsn/dua-faq.html",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6118md.htm?s_cid=mm6118md_w",
    "https://www.cdc.gov/fluview/surveillance/2025-week-26.html",
    "http://www.cdc.gov/nchs/pressroom/upcoming/index.html",
    "https://www.cdc.gov/niosh/idlh/71432.html",
    "https://www.cdc.gov/pcd/issues/2015/14_0488.htm",
    "https://www.cdc.gov/brfss/annual_data/2015/2015_responserates.html",
    "http://www.cdc.gov/asthma/nhis/07/table1-2.htm",
    "https://www.cdc.gov/fluview/surveillance/2025-week-49.html"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w.",
    "Locate the element: #table-19 > tbody > tr:nth-child(2) > .col-head:nth-child(4)",
    "Confirm the axe-core finding for rule empty-table-header."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/empty-table-header?application=axeAPI",
   "obligation": "advisory",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/axe-core__empty-table-header.csv"
  },
  {
   "instance_id": "VS-7ba89886",
   "pattern_id": "VS-f528778d",
   "a11y_pattern_fingerprint": "1ef7dad7f3453446b0abc34e5c02520a7f194355a96a3d2f20ef6612dad703bf",
   "a11y_pattern_display_id": "A11Y-PAT-1EF7DAD7F345",
   "a11y_occurrence_fingerprint": "714aecd0a191be4811f170ed936f6cb84f5f2c1225cdc6bf03d04cbd09f5cb8d",
   "a11y_occurrence_display_id": "A11Y-OCC-714AECD0A191",
   "url": "https://www.cdc.gov/mmwr/volumes/66/wr/mm6616a2.htm?s_cid=mm6616a2_w",
   "xpath": "img[title=\"m6616a2f1.gif\"]",
   "html_snippet": "<img decoding=\"async\" class=\"img-fluid\" alt=\"The figure above is an image of an oilfield derrickman climbing up to the derrick board.\" title=\"m6616a2f1.gif\" src=\"/mmwr/volumes/66/wr/figures/m6616a2f1.",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "evidence_status": "automated-indicator",
   "rule_id": "image-redundant-alt",
   "rule_label": "Alternative text of images should not be repeated as text",
   "engine_key": "axe-core",
   "tool": "axe-core",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/image-redundant-alt?application=axeAPI",
   "severity": "Minor",
   "frequency": {
    "instances": 3,
    "pages_affected": 2,
    "total_pages_scanned": 1858
   },
   "likely_source": "content",
   "summary": "Alternative text of images should not be repeated as text (WCAG criterion undetermined)",
   "description": "Alternative text of images should not be repeated as text. Detected by axe-core rule image-redundant-alt on 2 of 1858 scanned pages (3 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/mmwr/volumes/66/wr/mm6616a2.htm?s_cid=mm6616a2_w",
     "xpath": "img[title=\"m6616a2f1.gif\"]",
     "html_snippet": "<img decoding=\"async\" class=\"img-fluid\" alt=\"The figure above is an image of an oilfield derrickman climbing up to the derrick board.\" title=\"m6616a2f1.gif\" src=\"/mmwr/volumes/66/wr/figures/m6616a2f1."
    },
    {
     "url": "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish",
     "xpath": ".menu-container > .navbar.navbar-expand-lg > .container > .cdc-logo.navbar-brand[href$=\"spanish/\"] > .cdc-logo--img",
     "html_snippet": "<img src=\"/TemplatePackage/5.0/img/logo/logo-notext.svg\" alt=\"Centros para el Control y la Prevención de Enfermedades\" class=\"cdc-logo--img\">"
    },
    {
     "url": "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish",
     "xpath": ".fixed-top > .container > .cdc-logo.navbar-brand[href$=\"spanish/\"] > .cdc-logo--img",
     "html_snippet": "<img src=\"/TemplatePackage/5.0/img/logo/logo-notext.svg\" alt=\"Centros para el Control y la Prevención de Enfermedades\" class=\"cdc-logo--img\">"
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6616a2.htm?s_cid=mm6616a2_w",
    "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish"
   ],
   "affected_pages": [
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6616a2.htm?s_cid=mm6616a2_w",
    "https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/mmwr/volumes/66/wr/mm6616a2.htm?s_cid=mm6616a2_w.",
    "Locate the element: img[title=\"m6616a2f1.gif\"]",
    "Confirm the axe-core finding for rule image-redundant-alt."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/image-redundant-alt?application=axeAPI",
   "obligation": "advisory",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 14,
   "affected_pages_csv": "csv/axe-core__image-redundant-alt.csv"
  },
  {
   "instance_id": "VS-e9632198",
   "pattern_id": "VS-c18be945",
   "a11y_pattern_fingerprint": "2ed2580ab99315d951aa65e6df0e8ccc67848b7a6b863ce9cd792353fa41b70e",
   "a11y_pattern_display_id": "A11Y-PAT-2ED2580AB993",
   "a11y_occurrence_fingerprint": "1f3c7294c93cbc6db8c1d591440bfb743d9247f0eeb3ef0c7e81bdd82c192470",
   "a11y_occurrence_display_id": "A11Y-OCC-1F3C7294C93C",
   "url": "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
   "xpath": "text: \"Skip directly to search\"",
   "html_snippet": null,
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r57",
   "rule_label": "Scrolling content can be accessed by keyboard",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r57",
   "severity": "Moderate",
   "frequency": {
    "instances": 4878,
    "pages_affected": 324,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Scrolling content can be accessed by keyboard (WCAG criterion undetermined)",
   "description": "Scrolling content can be accessed by keyboard. Detected by Siteimprove Alfa rule sia-r57 on 324 of 1858 scanned pages (4878 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
     "xpath": "text: \"Skip directly to search\"",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
     "xpath": "text: \"Skip directly to On This Page\"",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
     "xpath": "text: \"An official website of the United States government\"",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/thalassemia/stories/chanapa-tantibanchachais-story.html",
     "xpath": "text: \"Skip directly to search\"",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/thalassemia/stories/chanapa-tantibanchachais-story.html",
     "xpath": "text: \"An official website of the United States government\"",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
    "https://www.cdc.gov/thalassemia/stories/chanapa-tantibanchachais-story.html",
    "http://www.cdc.gov/global-hiv-tb/php/globalhiv/index.html"
   ],
   "affected_pages": [
    "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
    "https://www.cdc.gov/thalassemia/stories/chanapa-tantibanchachais-story.html",
    "http://www.cdc.gov/global-hiv-tb/php/globalhiv/index.html",
    "https://www.cdc.gov/sti/es/site.html",
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6614a4.htm?s_cid=mm6614a4_w",
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6650a7.htm?s_cid=mm6650a7_w",
    "https://www.cdc.gov/pcd/about_the_journal/Statistics_Review_Committee.htm",
    "http://www.cdc.gov/niosh/corrections/about/index.html",
    "http://www.cdc.gov/global-immunization/stop/frequently-asked-questions.html",
    "https://www.cdc.gov/nndss/technical-resource-center/phase-2.html",
    "https://www.cdc.gov/brfss/acbs/2011/prevalence_tables/table13.html",
    "https://www.cdc.gov/ncbddd/about/protecting-people.html",
    "http://www.cdc.gov/niosh/maritime/about/seafood-processing.html",
    "http://www.cdc.gov/children-mental-health/about/obsessive-compulsive-disorder-in-children.html",
    "https://www.cdc.gov/model-aquatic-health-code/php/about/creating-the-mahc.html",
    "http://www.cdc.gov/abes/about/index.html",
    "https://www.cdc.gov/phlp/php/publications/protecting-patient-access-to-emergency-medications-act.html",
    "http://www.cdc.gov/listeria/outbreaks/delimeats-7-24/index.html",
    "https://www.cdc.gov/pcd/issues/2020/20_0263.htm",
    "https://www.cdc.gov/pcd/issues/2024/23_0329.htm",
    "http://www.cdc.gov/ecr/php/getting-started/index.html",
    "https://www.cdc.gov/pcd/issues/2020/20_0241a.htm",
    "https://www.cdc.gov/environmental-exposure-report/whats-new/whats_new_072010.html",
    "https://www.cdc.gov/pcd/issues/2015/14_0595a.htm",
    "http://www.cdc.gov/niosh/publications/numbered/2021-124.html"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/colorectal-cancer/risk-factors/index.html.",
    "Locate the element: text: \"Skip directly to search\"",
    "Confirm the Siteimprove Alfa finding for rule sia-r57."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r57",
   "obligation": "unmapped",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/alfa__sia-r57.csv"
  },
  {
   "instance_id": "VS-a9b08648",
   "pattern_id": "VS-e05344b9",
   "a11y_pattern_fingerprint": "4a8614857eafbb660de0e810c31a908c21b6582d7ffedc63bb65c91fb63ef247",
   "a11y_pattern_display_id": "A11Y-PAT-4A8614857EAF",
   "a11y_occurrence_fingerprint": "4d9f0449cd1c758865ae7723ad46de0b4fe22048f6f627615371a9d263635669",
   "a11y_occurrence_display_id": "A11Y-OCC-4D9F0449CD1C",
   "url": "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
   "xpath": "@aria-label=\"Official website of the United States government\"",
   "html_snippet": null,
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r18",
   "rule_label": "aria attribute is permitted for element role",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r18",
   "severity": "Moderate",
   "frequency": {
    "instances": 243,
    "pages_affected": 231,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "aria attribute is permitted for element role (WCAG criterion undetermined)",
   "description": "aria attribute is permitted for element role. Detected by Siteimprove Alfa rule sia-r18 on 231 of 1858 scanned pages (243 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
     "xpath": "@aria-label=\"Official website of the United States government\"",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/thalassemia/stories/chanapa-tantibanchachais-story.html",
     "xpath": "@aria-label=\"Official website of the United States government\"",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/global-hiv-tb/php/globalhiv/index.html",
     "xpath": "@aria-label=\"Official website of the United States government\"",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/sti/es/site.html",
     "xpath": "@aria-label=\"Un sitio oficial del Gobierno de Estados Unidos\"",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/niosh/corrections/about/index.html",
     "xpath": "@aria-label=\"Official website of the United States government\"",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
    "https://www.cdc.gov/thalassemia/stories/chanapa-tantibanchachais-story.html",
    "http://www.cdc.gov/global-hiv-tb/php/globalhiv/index.html"
   ],
   "affected_pages": [
    "http://www.cdc.gov/colorectal-cancer/risk-factors/index.html",
    "https://www.cdc.gov/thalassemia/stories/chanapa-tantibanchachais-story.html",
    "http://www.cdc.gov/global-hiv-tb/php/globalhiv/index.html",
    "https://www.cdc.gov/sti/es/site.html",
    "http://www.cdc.gov/niosh/corrections/about/index.html",
    "http://www.cdc.gov/global-immunization/stop/frequently-asked-questions.html",
    "https://www.cdc.gov/nndss/technical-resource-center/phase-2.html",
    "https://www.cdc.gov/ncbddd/about/protecting-people.html",
    "http://www.cdc.gov/niosh/maritime/about/seafood-processing.html",
    "http://www.cdc.gov/children-mental-health/about/obsessive-compulsive-disorder-in-children.html",
    "https://www.cdc.gov/model-aquatic-health-code/php/about/creating-the-mahc.html",
    "http://www.cdc.gov/abes/about/index.html",
    "https://www.cdc.gov/phlp/php/publications/protecting-patient-access-to-emergency-medications-act.html",
    "http://www.cdc.gov/listeria/outbreaks/delimeats-7-24/index.html",
    "http://www.cdc.gov/ecr/php/getting-started/index.html",
    "https://www.cdc.gov/environmental-exposure-report/whats-new/whats_new_072010.html",
    "http://www.cdc.gov/niosh/publications/numbered/2021-124.html",
    "http://www.cdc.gov/hepatitis-surveillance-2021/about/technical-notes.html",
    "https://www.cdc.gov/niosh/topics/firefighting",
    "https://www.cdc.gov/kidney-disease/ckd-facts/index.html",
    "https://www.cdc.gov/fluview/surveillance/2024-week-48.html",
    "https://www.cdc.gov/vaccines/hcp/storage-handling/providers-role.html",
    "http://www.cdc.gov/niosh/docs/2011-179",
    "http://www.cdc.gov/hepatitis-surveillance-2022/about/national-profile.html",
    "https://www.cdc.gov/acip/evidence-based-recommendations"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/colorectal-cancer/risk-factors/index.html.",
    "Locate the element: @aria-label=\"Official website of the United States government\"",
    "Confirm the Siteimprove Alfa finding for rule sia-r18."
   ],
   "remediation_tip": "Only use ARIA states/properties that are allowed on this element/role.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r18",
   "obligation": "unmapped",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/alfa__sia-r18.csv"
  },
  {
   "instance_id": "VS-885561ff",
   "pattern_id": "VS-f054f4a4",
   "a11y_pattern_fingerprint": "a97e1732a4e2e5f603207d777a1c2ab3e8cec37c4de649355aac2b6c6c3aecfd",
   "a11y_pattern_display_id": "A11Y-PAT-A97E1732A4E2",
   "a11y_occurrence_fingerprint": "7e418031efc64a1b12a0e7e9a25545cdd20657690895d1881c2948abaed5c0bc",
   "a11y_occurrence_display_id": "A11Y-OCC-7E418031EFC6",
   "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
   "xpath": "<h3>",
   "html_snippet": null,
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r53",
   "rule_label": "Headings are structured hierarchically",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r53",
   "severity": "Moderate",
   "frequency": {
    "instances": 163,
    "pages_affected": 123,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Headings are structured hierarchically (WCAG criterion undetermined)",
   "description": "Headings are structured hierarchically. Detected by Siteimprove Alfa rule sia-r53 on 123 of 1858 scanned pages (163 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
     "xpath": "<h3>",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/mmwr/volumes/66/wr/mm6614a4.htm?s_cid=mm6614a4_w",
     "xpath": "<h5>",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/mmwr/volumes/66/wr/mm6650a7.htm?s_cid=mm6650a7_w",
     "xpath": "<h5>",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/pcd/about_the_journal/Statistics_Review_Committee.htm",
     "xpath": "<h3>",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00019549.htm",
     "xpath": "<h3>",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6614a4.htm?s_cid=mm6614a4_w",
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6650a7.htm?s_cid=mm6650a7_w"
   ],
   "affected_pages": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6614a4.htm?s_cid=mm6614a4_w",
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6650a7.htm?s_cid=mm6650a7_w",
    "https://www.cdc.gov/pcd/about_the_journal/Statistics_Review_Committee.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00019549.htm",
    "https://www.cdc.gov/pcd/issues/2020/20_0263.htm",
    "https://www.cdc.gov/pcd/issues/2024/23_0329.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5505a6.htm",
    "http://www.cdc.gov/mmwr/volumes/72/wr/mm7238a3.htm?s_cid=mm7238a3_w",
    "https://www.cdc.gov/pcd/issues/2024/24_0051.htm",
    "http://www.cdc.gov/pcd/issues/2007/oct/07_0012_fr.htm",
    "https://www.cdc.gov/fluview/surveillance/2024-week-48.html",
    "https://www.cdc.gov/mmwr/volumes/65/wr/mm6519a2.htm",
    "https://www.cdc.gov/mmwr/volumes/69/wr/mm6919e5.htm?s_cid=mm6919e5_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00015030.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00016693.htm",
    "https://www.cdc.gov/niosh-rtecs/VI8A61C8.html",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5438a3.htm",
    "https://www.cdc.gov/pcd/issues/2009/apr/08_0108.htm",
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6622a3.htm",
    "http://www.cdc.gov/mmwr/volumes/70/rr/rr7001a1.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5640a4.htm",
    "https://www.cdc.gov/pcd/issues/2005/nov/05_0071.htm",
    "http://www.cdc.gov/tobacco/campaign/tips/spanish/dejar-fumar/medicamentos/tres-razones/index.html",
    "https://www.cdc.gov/pcd/issues/2012/11_0109.htm"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm.",
    "Locate the element: <h3>",
    "Confirm the Siteimprove Alfa finding for rule sia-r53."
   ],
   "remediation_tip": "Use headings in a logical, non-skipping order.",
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r53",
   "obligation": "unmapped",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/alfa__sia-r53.csv"
  },
  {
   "instance_id": "VS-0c57a00b",
   "pattern_id": "VS-3d033717",
   "a11y_pattern_fingerprint": "70cb8acf94392b211cd95568a14f30085386b6f17fd303b00ab8e0969da53d94",
   "a11y_pattern_display_id": "A11Y-PAT-70CB8ACF9439",
   "a11y_occurrence_fingerprint": "b048e30c6df58129ae282150154a482d668433f5aa37303121f51ef8a7d9b749",
   "a11y_occurrence_display_id": "A11Y-OCC-B048E30C6DF5",
   "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
   "xpath": "{\"type\":\"document\",\"children\":[{\"type\":\"type\",\"name\":\"html\",\"publicId\":\"-//W3C//",
   "html_snippet": null,
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r70",
   "rule_label": "No obsolete or deprecated elements are used",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r70",
   "severity": "Moderate",
   "frequency": {
    "instances": 100,
    "pages_affected": 100,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "No obsolete or deprecated elements are used (WCAG criterion undetermined)",
   "description": "No obsolete or deprecated elements are used. Detected by Siteimprove Alfa rule sia-r70 on 100 of 1858 scanned pages (100 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
     "xpath": "{\"type\":\"document\",\"children\":[{\"type\":\"type\",\"name\":\"html\",\"publicId\":\"-//W3C//",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
     "xpath": "{\"type\":\"document\",\"children\":[{\"type\":\"element\",\"children\":[{\"type\":\"element\",\"",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/00017425.htm",
     "xpath": "{\"type\":\"document\",\"children\":[{\"type\":\"element\",\"children\":[{\"type\":\"element\",\"",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
     "xpath": "{\"type\":\"document\",\"children\":[{\"type\":\"type\",\"name\":\"html\",\"publicId\":\"-//W3C//",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/00046714.htm",
     "xpath": "{\"type\":\"document\",\"children\":[{\"type\":\"element\",\"children\":[{\"type\":\"element\",\"",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00017425.htm"
   ],
   "affected_pages": [
    "http://www.cdc.gov/pcd/issues/2010/jul/toc.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00021095.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00017425.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00046714.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00019549.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5505a6.htm",
    "http://www.cdc.gov/pcd/issues/2007/oct/07_0012_fr.htm",
    "https://www.cdc.gov/fluview/surveillance/2024-week-48.html",
    "https://www.cdc.gov/mmwr/volumes/65/wr/mm6519a2.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00015030.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00016693.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00016754.htm",
    "https://www.cdc.gov/pcd/issues/2008/apr/08_0025.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5438a3.htm",
    "https://www.cdc.gov/pcd/issues/2009/apr/08_0108.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5640a4.htm",
    "https://www.cdc.gov/pcd/issues/2005/nov/05_0071.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5013a4.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5952md.htm?s_cid=mm5952md_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00001905.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5030a4.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5829a1.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5412md.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00046702.htm"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/pcd/issues/2010/jul/toc.htm.",
    "Locate the element: {\"type\":\"document\",\"children\":[{\"type\":\"type\",\"name\":\"html\",\"publicId\":\"-//W3C//",
    "Confirm the Siteimprove Alfa finding for rule sia-r70."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r70",
   "obligation": "advisory",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/alfa__sia-r70.csv"
  },
  {
   "instance_id": "VS-bafcf2ac",
   "pattern_id": "VS-04a9d28c",
   "a11y_pattern_fingerprint": "ddbd0ab9cff45a5cba50e1a8e2c2d4d4b3feca15f529c3c63d9da98649e4f582",
   "a11y_pattern_display_id": "A11Y-PAT-DDBD0AB9CFF4",
   "a11y_occurrence_fingerprint": "db2bd40aaedb59e7121fb76c91db1eba3d87a3d82c9feabe887afbfe03836063",
   "a11y_occurrence_display_id": "A11Y-OCC-DB2BD40AAEDB",
   "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5114md.htm",
   "xpath": "body",
   "html_snippet": "<body bgcolor=\"#ffffff\" leftmargin=\"0\" topmargin=\"0\" marginheight=\"0\" marginwidth=\"0\" class=\" dmat-load-complete\">\n<!-- report header -->\n<!--webbot bot=\"Include\" U-Include=\"../../headers_footers/repo",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "evidence_status": "automated-indicator",
   "rule_id": "presentational-attr",
   "rule_label": "Presentational attribute (use CSS)",
   "engine_key": "deprecated-html",
   "tool": "deprecated-html",
   "rule_url": null,
   "severity": "Moderate",
   "frequency": {
    "instances": 5040,
    "pages_affected": 39,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Presentational attribute (use CSS) (WCAG criterion undetermined)",
   "description": "Presentational attribute (use CSS). Detected by deprecated-html rule presentational-attr on 39 of 1858 scanned pages (5040 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5114md.htm",
     "xpath": "body",
     "html_snippet": "<body bgcolor=\"#ffffff\" leftmargin=\"0\" topmargin=\"0\" marginheight=\"0\" marginwidth=\"0\" class=\" dmat-load-complete\">\n<!-- report header -->\n<!--webbot bot=\"Include\" U-Include=\"../../headers_footers/repo"
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5114md.htm",
     "xpath": "table",
     "html_snippet": "<table border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody><tr>\n\t<td colspan=\"7\" bgcolor=\"#000099\">\n\t<img src=\"../../images/nav01.gif\" border=\"0\" width=\"5\" height=\"2\" alt=\"Skip Navigation "
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5114md.htm",
     "xpath": "td",
     "html_snippet": "<td colspan=\"7\" bgcolor=\"#000099\">\n\t<img src=\"../../images/nav01.gif\" border=\"0\" width=\"5\" height=\"2\" alt=\"Skip Navigation Links\"><a href=\"#content_area\"><img src=\"../../images/nav01.gif\" border=\"0\" w"
    },
    {
     "url": "https://www.cdc.gov/flu/weekly/weeklyarchives2023-2024/data/senAllregt24.html",
     "xpath": "body",
     "html_snippet": "<body bgcolor=\"#FFFFFF\"><div align=\"center\"><table border=\"1\">   <caption>       <strong>           PERCENTAGE OF VISITS FOR INFLUENZA-LIKE-ILLNESS REPORTED BY ILINet 2023-2024 Season       </strong> "
    },
    {
     "url": "https://www.cdc.gov/flu/weekly/weeklyarchives2023-2024/data/senAllregt24.html",
     "xpath": "div",
     "html_snippet": "<div align=\"center\"><table border=\"1\">   <caption>       <strong>           PERCENTAGE OF VISITS FOR INFLUENZA-LIKE-ILLNESS REPORTED BY ILINet 2023-2024 Season       </strong>   </caption><tbody><tr> "
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5114md.htm",
    "https://www.cdc.gov/flu/weekly/weeklyarchives2023-2024/data/senAllregt24.html",
    "https://www.cdc.gov/pcd/issues/2018/17_0265a.htm"
   ],
   "affected_pages": [
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5114md.htm",
    "https://www.cdc.gov/flu/weekly/weeklyarchives2023-2024/data/senAllregt24.html",
    "https://www.cdc.gov/pcd/issues/2018/17_0265a.htm",
    "https://www.cdc.gov/flu/weekly/weeklyarchives2023-2024/ILI30.html",
    "http://www.cdc.gov/mmwr/volumes/72/wr/mm7202a3.htm?s_cid=mm7202a3_w",
    "https://www.cdc.gov/pcd/issues/2012/12_0136_es.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00016335.htm",
    "https://www.cdc.gov/mmwr/volumes/70/wr/mm7028a2.htm?s_cid=mm7028a2_w",
    "https://www.cdc.gov/mmwr/volumes/72/wr/mm7242a1.htm?s_cid=mm7242a1_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00049716.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00055645.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5310a2.htm",
    "http://www.cdc.gov/mmwr/volumes/73/ss/ss7308a1.htm?s_cid=ss7308a1_w",
    "http://www.cdc.gov/brfss/acbs/2008/prevalence_tables/table1.html",
    "https://www.cdc.gov/pcd/issues/2013/12_0286_es.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5643a4.htm",
    "https://www.cdc.gov/pcd/issues/2008/apr/07_0210_es.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5504a1.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/su5301a15.htm",
    "https://www.cdc.gov/flu/weekly/weeklyarchives2025-2026/data/senAllregt05.html",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/ss4901a1.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5646a1.htm",
    "http://www.cdc.gov/PCD/es/2005_oct_toc.htm",
    "http://www.cdc.gov/pcd/issues/2008/oct/07_0163_fr.htm",
    "https://www.cdc.gov/mmwr/volumes/71/wr/mm7137a4.htm?s_cid=mm7137a4_w"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: deprecated-html, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5114md.htm.",
    "Locate the element: body",
    "Confirm the deprecated-html finding for rule presentational-attr."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "Not captured by automated scan — requires manual testing.",
   "obligation": "unmapped",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/deprecated-html__presentational-attr.csv"
  },
  {
   "instance_id": "VS-509f0602",
   "pattern_id": "VS-7118fead",
   "a11y_pattern_fingerprint": "12d6856e9f9027ea9b85f97669a9dad1dcd7b69a3c0c9b98216eecd060639c79",
   "a11y_pattern_display_id": "A11Y-PAT-12D6856E9F90",
   "a11y_occurrence_fingerprint": "a9b6eb090b506e80d8b54160d003253468503a71c23427f5637c671eb72bd2cf",
   "a11y_occurrence_display_id": "A11Y-OCC-A9B6EB090B50",
   "url": "https://www.cdc.gov/sti/es/site.html",
   "xpath": "{\"type\":\"document\",\"children\":[{\"type\":\"type\",\"name\":\"html\",\"publicId\":null,\"sys",
   "html_snippet": null,
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r61",
   "rule_label": "Form field label is visible",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r61",
   "severity": "Moderate",
   "frequency": {
    "instances": 37,
    "pages_affected": 37,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Form field label is visible (WCAG criterion undetermined)",
   "description": "Form field label is visible. Detected by Siteimprove Alfa rule sia-r61 on 37 of 1858 scanned pages (37 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/sti/es/site.html",
     "xpath": "{\"type\":\"document\",\"children\":[{\"type\":\"type\",\"name\":\"html\",\"publicId\":null,\"sys",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
     "xpath": "{\"type\":\"document\",\"children\":[{\"type\":\"type\",\"name\":\"html\",\"publicId\":\"-//W3C//",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/vaccines/hcp/storage-handling/providers-role.html",
     "xpath": "{\"type\":\"document\",\"children\":[{\"type\":\"type\",\"name\":\"html\",\"publicId\":null,\"sys",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/sudden-infant-death/index.html",
     "xpath": "{\"type\":\"document\",\"children\":[{\"type\":\"type\",\"name\":\"html\",\"publicId\":null,\"sys",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/vaccines-pregnancy/index.html",
     "xpath": "{\"type\":\"document\",\"children\":[{\"type\":\"type\",\"name\":\"html\",\"publicId\":null,\"sys",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/sti/es/site.html",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
    "https://www.cdc.gov/vaccines/hcp/storage-handling/providers-role.html"
   ],
   "affected_pages": [
    "https://www.cdc.gov/sti/es/site.html",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
    "https://www.cdc.gov/vaccines/hcp/storage-handling/providers-role.html",
    "https://www.cdc.gov/sudden-infant-death/index.html",
    "http://www.cdc.gov/vaccines-pregnancy/index.html",
    "http://www.cdc.gov/national-program-cancer-registries/index.html",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6439a11.htm?s_cid=mm6439a11_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5952md.htm?s_cid=mm5952md_w",
    "https://www.cdc.gov/pcd/issues/2012/11_0109.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6340a5.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6247a5.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6326a2.htm?s_cid=mm6326a2_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037a8.htm?s_cid=mm6037a8_w",
    "https://www.cdc.gov/pcd/issues/2013/12_0142_es.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6350a1.htm?s_cid=mm6350a1_w",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6045a1.htm?s_cid=mm6045a1_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6305a4.htm",
    "https://www.cdc.gov/condom-use/es/site.html",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6446a1.htm?s_cid=mm6446a1_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6349a7.htm?s_cid=mm6349a7_w",
    "https://www.cdc.gov/healthywater/drinking",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6122a6.htm?s_cid=mm6122a6_w",
    "https://www.cdc.gov/pcd/issues/2013/12_0204.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6307a3.htm?s_cid=mm6307a3_w",
    "http://www.cdc.gov/tb/es/site.html"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/sti/es/site.html.",
    "Locate the element: {\"type\":\"document\",\"children\":[{\"type\":\"type\",\"name\":\"html\",\"publicId\":null,\"sys",
    "Confirm the Siteimprove Alfa finding for rule sia-r61."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r61",
   "obligation": "unmapped",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/alfa__sia-r61.csv"
  },
  {
   "instance_id": "VS-3c4f2ae8",
   "pattern_id": "VS-2cd767ca",
   "a11y_pattern_fingerprint": "723962a17e16dc10ee4d26fe5fdfcad729d026db3a2a48d15e1ffa931a7afc81",
   "a11y_pattern_display_id": "A11Y-PAT-723962A17E16",
   "a11y_occurrence_fingerprint": "cdf7d0adaf942be73741b7a22d92e6b624ae92dc8928dc514f6773e048249373",
   "a11y_occurrence_display_id": "A11Y-OCC-CDF7D0ADAF94",
   "url": "https://www.cdc.gov/mmwr/volumes/66/wr/mm6614a4.htm?s_cid=mm6614a4_w",
   "xpath": "<h5>",
   "html_snippet": null,
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r78",
   "rule_label": "Table header has scope",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r78",
   "severity": "Moderate",
   "frequency": {
    "instances": 37,
    "pages_affected": 33,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Table header has scope (WCAG criterion undetermined)",
   "description": "Table header has scope. Detected by Siteimprove Alfa rule sia-r78 on 33 of 1858 scanned pages (37 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/mmwr/volumes/66/wr/mm6614a4.htm?s_cid=mm6614a4_w",
     "xpath": "<h5>",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/mmwr/volumes/66/wr/mm6650a7.htm?s_cid=mm6650a7_w",
     "xpath": "<h5>",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/fluview/surveillance/2024-week-48.html",
     "xpath": "<h3 id=\"heading-iyun-nxopd\">",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/fluview/surveillance/2024-week-48.html",
     "xpath": "<h3 id=\"heading-vjuliwjqaf\">",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/mmwr/volumes/65/wr/mm6519a2.htm",
     "xpath": "<h5>",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6614a4.htm?s_cid=mm6614a4_w",
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6650a7.htm?s_cid=mm6650a7_w",
    "https://www.cdc.gov/fluview/surveillance/2024-week-48.html"
   ],
   "affected_pages": [
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6614a4.htm?s_cid=mm6614a4_w",
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6650a7.htm?s_cid=mm6650a7_w",
    "https://www.cdc.gov/fluview/surveillance/2024-week-48.html",
    "https://www.cdc.gov/mmwr/volumes/65/wr/mm6519a2.htm",
    "http://www.cdc.gov/nchs/icd/site.html",
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6622a3.htm",
    "http://www.cdc.gov/global-health/countries/drc.html",
    "http://www.cdc.gov/yersinia/about",
    "https://www.cdc.gov/pcd/issues/2012/11_0109.htm",
    "https://www.cdc.gov/global-health/site.html",
    "https://www.cdc.gov/pcd/issues/2013/12_0142_es.htm",
    "http://www.cdc.gov/antibiotic-use/data-research/facts-stats/index.html",
    "https://www.cdc.gov/mmwr/volumes/65/wr/mm6525a4.htm?s_cid=mm6525a4_w",
    "https://www.cdc.gov/laboratory/specimen-submission/detail.html?CDCTestCode=CDC-10142",
    "https://www.cdc.gov/la-crosse-encephalitis/data-maps/historic-data.html",
    "https://www.cdc.gov/condom-use/es/site.html",
    "https://www.cdc.gov/mmwr/volumes/63/wr/mm6355a3.htm?s_cid=mm6355a3_w",
    "https://www.cdc.gov/pcd/issues/2013/12_0204.htm",
    "http://www.cdc.gov/tb/es/site.html",
    "https://www.cdc.gov/mmwr/volumes/64/wr/mm6454a1.htm?s_cid=mm6454a1_w",
    "https://www.cdc.gov/niosh/idlh/71432.html",
    "https://www.cdc.gov/laboratory/specimen-submission/detail.html?CDCTestCode=CDC-10625",
    "https://www.cdc.gov/mmwr/volumes/66/ss/ss6606a1.htm?s_cid=ss6606a1_w",
    "http://www.cdc.gov/drink-less-be-your-best/site.html",
    "https://www.cdc.gov/fluview/surveillance/2025-week-49.html"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/mmwr/volumes/66/wr/mm6614a4.htm?s_cid=mm6614a4_w.",
    "Locate the element: <h5>",
    "Confirm the Siteimprove Alfa finding for rule sia-r78."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r78",
   "obligation": "unmapped",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/alfa__sia-r78.csv"
  },
  {
   "instance_id": "VS-20a690ad",
   "pattern_id": "VS-91d2294a",
   "a11y_pattern_fingerprint": "7e8e3c4aee3f94d59fa575e85f67c1e87442d36dbfa817eb9ac897e4b6d12d2b",
   "a11y_pattern_display_id": "A11Y-PAT-7E8E3C4AEE3F",
   "a11y_occurrence_fingerprint": "296bc7c31f93016410dca6407eac7c5428b085ff3f7d58114fea4eafe749edaa",
   "a11y_occurrence_display_id": "A11Y-OCC-296BC7C31F93",
   "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
   "xpath": "font",
   "html_snippet": "<font color=\"red\">Persons using assistive technology might not be able to fully access information in this file. For assistance, please send e-mail to: <a href=\"mailto:mmwrq@cdc.gov\">mmwrq@cdc.gov</a>",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "evidence_status": "automated-indicator",
   "rule_id": "font-element",
   "rule_label": "Obsolete <font> element (use CSS)",
   "engine_key": "deprecated-html",
   "tool": "deprecated-html",
   "rule_url": null,
   "severity": "Moderate",
   "frequency": {
    "instances": 245,
    "pages_affected": 30,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Obsolete <font> element (use CSS) (WCAG criterion undetermined)",
   "description": "Obsolete <font> element (use CSS). Detected by deprecated-html rule font-element on 30 of 1858 scanned pages (245 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
     "xpath": "font",
     "html_snippet": "<font color=\"red\">Persons using assistive technology might not be able to fully access information in this file. For assistance, please send e-mail to: <a href=\"mailto:mmwrq@cdc.gov\">mmwrq@cdc.gov</a>"
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5114md.htm",
     "xpath": "font",
     "html_snippet": "<font size=\"3\" face=\"Arial, Helvetica, Verdana\" color=\"#FFFFFF\"><i><b>Weekly</b></i></font>"
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5114md.htm",
     "xpath": "font",
     "html_snippet": "<font size=\"2\" face=\"Arial, Helvetica, Verdana\" color=\"#333333\"><b>April 12, 2002 / 51(14);309-318</b></font>"
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5114md.htm",
     "xpath": "font",
     "html_snippet": "<font face=\"Arial, Helvetica, Verdana\" size=\"5\"><a name=\"content_area\"><b></b></a></font>"
    },
    {
     "url": "https://www.cdc.gov/flu/weekly/weeklyarchives2023-2024/ILI30.html",
     "xpath": "font",
     "html_snippet": "<font face=\"Arial\" size=\"2\"><em>Centers for Disease Control and Prevention </em></font>"
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5114md.htm",
    "https://www.cdc.gov/flu/weekly/weeklyarchives2023-2024/ILI30.html"
   ],
   "affected_pages": [
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5114md.htm",
    "https://www.cdc.gov/flu/weekly/weeklyarchives2023-2024/ILI30.html",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6002a1.htm?s_cid=mm6002a1_w",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00016335.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00049716.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00055645.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5310a2.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5643a4.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6104a6.htm?s_cid=mm6104a6_w",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5504a1.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/su5301a15.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/ss4901a1.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5646a1.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6118md.htm?s_cid=mm6118md_w",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5931a2.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5309a1.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/rr5114a2.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001987.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5602a1.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5313a3.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5714a4.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4927a5.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6129a2.htm?s_cid=mm6129a2_w",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001737.htm"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: deprecated-html, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6037md.htm?s_cid=mm6037md_w.",
    "Locate the element: font",
    "Confirm the deprecated-html finding for rule font-element."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "Not captured by automated scan — requires manual testing.",
   "obligation": "unmapped",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/deprecated-html__font-element.csv"
  },
  {
   "instance_id": "VS-25b027bb",
   "pattern_id": "VS-7845739d",
   "a11y_pattern_fingerprint": "cb6fb684874f487f563dc19e707ffc06b54d697ba7485fb6a49b870c1d6a8e92",
   "a11y_pattern_display_id": "A11Y-PAT-CB6FB684874F",
   "a11y_occurrence_fingerprint": "8c1fc3bbb15e374ce358bc17e1cd75ff66348e62be9b1cdef694b169ce4bb983",
   "a11y_occurrence_display_id": "A11Y-OCC-8C1FC3BBB15E",
   "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5114md.htm",
   "xpath": "big",
   "html_snippet": "<big><strong>Disclaimer</strong></big>",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "evidence_status": "automated-indicator",
   "rule_id": "big-element",
   "rule_label": "Obsolete <big> element (use CSS)",
   "engine_key": "deprecated-html",
   "tool": "deprecated-html",
   "rule_url": null,
   "severity": "Moderate",
   "frequency": {
    "instances": 25,
    "pages_affected": 22,
    "total_pages_scanned": 1858
   },
   "likely_source": "template",
   "summary": "Obsolete <big> element (use CSS) (WCAG criterion undetermined)",
   "description": "Obsolete <big> element (use CSS). Detected by deprecated-html rule big-element on 22 of 1858 scanned pages (25 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5114md.htm",
     "xpath": "big",
     "html_snippet": "<big><strong>Disclaimer</strong></big>"
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00016335.htm",
     "xpath": "big",
     "html_snippet": "<big><strong>Disclaimer</strong></big>"
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/00049716.htm",
     "xpath": "big",
     "html_snippet": "<big><strong>Note:</strong></big>"
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/00049716.htm",
     "xpath": "big",
     "html_snippet": "<big><strong>Disclaimer</strong></big>"
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00055645.htm",
     "xpath": "big",
     "html_snippet": "<big><strong>Disclaimer</strong></big>"
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5114md.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00016335.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00049716.htm"
   ],
   "affected_pages": [
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5114md.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00016335.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00049716.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00055645.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5310a2.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5643a4.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5504a1.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/su5301a15.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/ss4901a1.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5646a1.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5309a1.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/rr5114a2.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001987.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5602a1.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5313a3.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5714a4.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4927a5.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001737.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5253a4.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5728a3.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001101.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5620a3.htm"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: deprecated-html, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5114md.htm.",
    "Locate the element: big",
    "Confirm the deprecated-html finding for rule big-element."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "Not captured by automated scan — requires manual testing.",
   "obligation": "unmapped",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/deprecated-html__big-element.csv"
  },
  {
   "instance_id": "VS-5c3cfc55",
   "pattern_id": "VS-3d3b2245",
   "a11y_pattern_fingerprint": "7e36a90f35d152569c091de932237a211c285ae4375e4126da223f6a4dc13c9b",
   "a11y_pattern_display_id": "A11Y-PAT-7E36A90F35D1",
   "a11y_occurrence_fingerprint": "d3d7a935f90e72ed751d213a093c82e44b08a1bfac0bd942d9687ca46ccc2bb9",
   "a11y_occurrence_display_id": "A11Y-OCC-D3D7A935F90E",
   "url": "http://www.cdc.gov/global-health/countries/drc.html",
   "xpath": "<div class=\"cdc-slider cdc-slider--layout-small\" id=\"DFESlider_TB4pweyGQ\" data-loop=\"true\" data-responsive=\"{\"0\":\"1\",\"991\":\"2.34\"}\">",
   "html_snippet": null,
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r40",
   "rule_label": "Tables are used for tabular data, not layout",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r40",
   "severity": "Moderate",
   "frequency": {
    "instances": 9,
    "pages_affected": 7,
    "total_pages_scanned": 1858
   },
   "likely_source": "unknown",
   "summary": "Tables are used for tabular data, not layout (WCAG criterion undetermined)",
   "description": "Tables are used for tabular data, not layout. Detected by Siteimprove Alfa rule sia-r40 on 7 of 1858 scanned pages (9 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/global-health/countries/drc.html",
     "xpath": "<div class=\"cdc-slider cdc-slider--layout-small\" id=\"DFESlider_TB4pweyGQ\" data-loop=\"true\" data-responsive=\"{\"0\":\"1\",\"991\":\"2.34\"}\">",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/autism/data-research/autism-data-visualization-tool.html",
     "xpath": "<div role=\"region\" tabindex=\"0\" class=\"map-container visualization-container side data us outline-none position-relative\">",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/hepatitis/statistics/2021surveillance/hepatitis-b/figure-2.8.htm",
     "xpath": "<div role=\"region\" tabindex=\"0\" class=\"map-container visualization-container bottom data us outline-none position-relative\">",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/la-crosse-encephalitis/data-maps/historic-data.html",
     "xpath": "<div role=\"region\" tabindex=\"0\" class=\"map-container visualization-container bottom data us-county outline-none position-relative\">",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/la-crosse-encephalitis/data-maps/historic-data.html",
     "xpath": "<div role=\"region\" tabindex=\"0\" class=\"map-container visualization-container bottom data us outline-none position-relative\">",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/global-health/countries/drc.html",
    "https://www.cdc.gov/autism/data-research/autism-data-visualization-tool.html",
    "https://www.cdc.gov/hepatitis/statistics/2021surveillance/hepatitis-b/figure-2.8.htm"
   ],
   "affected_pages": [
    "http://www.cdc.gov/global-health/countries/drc.html",
    "https://www.cdc.gov/autism/data-research/autism-data-visualization-tool.html",
    "https://www.cdc.gov/hepatitis/statistics/2021surveillance/hepatitis-b/figure-2.8.htm",
    "https://www.cdc.gov/la-crosse-encephalitis/data-maps/historic-data.html",
    "http://www.cdc.gov/global-health/reports/annual-report.html",
    "http://www.cdc.gov/wastewater/about/index.html",
    "http://www.cdc.gov/diabetes-state-local/php/state-profiles/index.html"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/global-health/countries/drc.html.",
    "Locate the element: <div class=\"cdc-slider cdc-slider--layout-small\" id=\"DFESlider_TB4pweyGQ\" data-loop=\"true\" data-responsive=\"{\"0\":\"1\",\"991\":\"2.34\"}\">",
    "Confirm the Siteimprove Alfa finding for rule sia-r40."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r40",
   "obligation": "unmapped",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/alfa__sia-r40.csv"
  },
  {
   "instance_id": "VS-a0b4b3ac",
   "pattern_id": "VS-f2542d87",
   "a11y_pattern_fingerprint": "bba776c69eab68b5c7c5f92b8b07871f11a4fcb829ec9008ee0d71b26eb3f6d4",
   "a11y_pattern_display_id": "A11Y-PAT-BBA776C69EAB",
   "a11y_occurrence_fingerprint": "ba9a2be7de3864c7b38dcc6041c07b53d79bcfc5f31b4c41b75e21145299c4c6",
   "a11y_occurrence_display_id": "A11Y-OCC-BA9A2BE7DE38",
   "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/00046714.htm",
   "xpath": "<pre>",
   "html_snippet": null,
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r79",
   "rule_label": "Duplicate role landmark is labeled",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r79",
   "severity": "Moderate",
   "frequency": {
    "instances": 31,
    "pages_affected": 6,
    "total_pages_scanned": 1858
   },
   "likely_source": "unknown",
   "summary": "Duplicate role landmark is labeled (WCAG criterion undetermined)",
   "description": "Duplicate role landmark is labeled. Detected by Siteimprove Alfa rule sia-r79 on 6 of 1858 scanned pages (31 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/00046714.htm",
     "xpath": "<pre>",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/00046714.htm",
     "xpath": "<pre>",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/00046714.htm",
     "xpath": "<pre>",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/00046702.htm",
     "xpath": "<pre>",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00054287.htm",
     "xpath": "<pre>",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00046714.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00046702.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00054287.htm"
   ],
   "affected_pages": [
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00046714.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00046702.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00054287.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00044239.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00052852.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/00039679.htm"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/mmwr/preview/mmwrhtml/00046714.htm.",
    "Locate the element: <pre>",
    "Confirm the Siteimprove Alfa finding for rule sia-r79."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r79",
   "obligation": "unmapped",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/alfa__sia-r79.csv"
  },
  {
   "instance_id": "VS-45b5b346",
   "pattern_id": "VS-20060f39",
   "a11y_pattern_fingerprint": "4bb1a985f4415c5e9daf8516e9fbd304bc570b0e4f04e6ad281475de245aa056",
   "a11y_pattern_display_id": "A11Y-PAT-4BB1A985F441",
   "a11y_occurrence_fingerprint": "394a3eea2c32434f64fd505edcb9c84740bb89acdfc681c072ad5c80610777de",
   "a11y_occurrence_display_id": "A11Y-OCC-394A3EEA2C32",
   "url": "https://www.cdc.gov/pcd/issues/2008/apr/07_0210_es.htm",
   "xpath": "center",
   "html_snippet": "<center>\n  <table border=\"0\" width=\"140\" cellspacing=\"0\" cellpadding=\"0\">\n    \n    <tbody><tr>\n      <td width=\"140\" bgcolor=\"#8A9683\"><img border=\"0\" src=\"www.cdc.gov/navimages/spacer.gif\" width=\"140",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "evidence_status": "automated-indicator",
   "rule_id": "center-element",
   "rule_label": "Obsolete <center> element (use CSS)",
   "engine_key": "deprecated-html",
   "tool": "deprecated-html",
   "rule_url": null,
   "severity": "Moderate",
   "frequency": {
    "instances": 11,
    "pages_affected": 6,
    "total_pages_scanned": 1858
   },
   "likely_source": "unknown",
   "summary": "Obsolete <center> element (use CSS) (WCAG criterion undetermined)",
   "description": "Obsolete <center> element (use CSS). Detected by deprecated-html rule center-element on 6 of 1858 scanned pages (11 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/pcd/issues/2008/apr/07_0210_es.htm",
     "xpath": "center",
     "html_snippet": "<center>\n  <table border=\"0\" width=\"140\" cellspacing=\"0\" cellpadding=\"0\">\n    \n    <tbody><tr>\n      <td width=\"140\" bgcolor=\"#8A9683\"><img border=\"0\" src=\"www.cdc.gov/navimages/spacer.gif\" width=\"140"
    },
    {
     "url": "https://www.cdc.gov/pcd/issues/2008/apr/07_0210_es.htm",
     "xpath": "center",
     "html_snippet": "<center>\n<table border=\"0\" width=\"136\" cellspacing=\"0\" cellpadding=\"4\">\n  <tbody><tr>\n    <td width=\"136\" valign=\"top\" align=\"center\"><img border=\"0\" src=\"www.cdc.gov/navimages/spacer.gif\" width=\"10\" "
    },
    {
     "url": "http://www.cdc.gov/PCD/es/2005_oct_toc.htm",
     "xpath": "center",
     "html_snippet": "<center>\n  <table border=\"0\" width=\"140\" cellspacing=\"0\" cellpadding=\"0\">\n \n    <tbody><tr>\n      <td width=\"140\" bgcolor=\"#8A9683\"><img border=\"0\" src=\"//www.cdc.gov/navimages/spacer.gif\" width=\"140\""
    },
    {
     "url": "http://www.cdc.gov/PCD/es/2005_oct_toc.htm",
     "xpath": "center",
     "html_snippet": "<center>\n<table border=\"0\" width=\"136\" cellspacing=\"0\" cellpadding=\"4\">\n  <tbody><tr>\n    <td width=\"136\" valign=\"top\" align=\"center\"><img border=\"0\" src=\"//www.cdc.gov/navimages/spacer.gif\" width=\"10"
    },
    {
     "url": "http://www.cdc.gov/pcd/issues/2008/oct/07_0163_fr.htm",
     "xpath": "center",
     "html_snippet": "<center>\n  <table border=\"0\" width=\"140\" cellspacing=\"0\" cellpadding=\"0\">\n    \n    <tbody><tr>\n      <td width=\"140\" bgcolor=\"#8A9683\"><img border=\"0\" src=\"www.cdc.gov/navimages/spacer.gif\" width=\"140"
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/pcd/issues/2008/apr/07_0210_es.htm",
    "http://www.cdc.gov/PCD/es/2005_oct_toc.htm",
    "http://www.cdc.gov/pcd/issues/2008/oct/07_0163_fr.htm"
   ],
   "affected_pages": [
    "https://www.cdc.gov/pcd/issues/2008/apr/07_0210_es.htm",
    "http://www.cdc.gov/PCD/es/2005_oct_toc.htm",
    "http://www.cdc.gov/pcd/issues/2008/oct/07_0163_fr.htm",
    "http://www.cdc.gov/pcd/issues/2008/apr/07_0039_zhs.htm",
    "https://www.cdc.gov/dpdx/scabies",
    "https://www.cdc.gov/pcd/issues/2006/apr/05_0182_es.htm"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: deprecated-html, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/pcd/issues/2008/apr/07_0210_es.htm.",
    "Locate the element: center",
    "Confirm the deprecated-html finding for rule center-element."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "Not captured by automated scan — requires manual testing.",
   "obligation": "unmapped",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/deprecated-html__center-element.csv"
  },
  {
   "instance_id": "VS-6e4e4aea",
   "pattern_id": "VS-aa242c2d",
   "a11y_pattern_fingerprint": "d76d38a4ee351955d539adcc142ebc3fc4a5eb16a64fd832dfb51fc14e50fcd3",
   "a11y_pattern_display_id": "A11Y-PAT-D76D38A4EE35",
   "a11y_occurrence_fingerprint": "faeca3e46876027e7b1babd6413fb095514b4bfc8c2aaf7fa16b86bf700e3453",
   "a11y_occurrence_display_id": "A11Y-OCC-FAECA3E46876",
   "url": "https://www.cdc.gov/wtc/newsYouthCohortDeadline_20230818.html",
   "xpath": "{\"type\":\"document\",\"children\":[{\"type\":\"type\",\"name\":\"html\",\"publicId\":null,\"sys",
   "html_snippet": null,
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r87",
   "rule_label": "First focusable element is link to main content",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r87",
   "severity": "Moderate",
   "frequency": {
    "instances": 4,
    "pages_affected": 4,
    "total_pages_scanned": 1858
   },
   "likely_source": "unknown",
   "summary": "First focusable element is link to main content (WCAG criterion undetermined)",
   "description": "First focusable element is link to main content. Detected by Siteimprove Alfa rule sia-r87 on 4 of 1858 scanned pages (4 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/wtc/newsYouthCohortDeadline_20230818.html",
     "xpath": "{\"type\":\"document\",\"children\":[{\"type\":\"type\",\"name\":\"html\",\"publicId\":null,\"sys",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/wtc/contact.html",
     "xpath": "{\"type\":\"document\",\"children\":[{\"type\":\"type\",\"name\":\"html\",\"publicId\":null,\"sys",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/wtc/vcfcompare.html",
     "xpath": "{\"type\":\"document\",\"children\":[{\"type\":\"type\",\"name\":\"html\",\"publicId\":null,\"sys",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/wtc/benefitscounseling.html",
     "xpath": "{\"type\":\"document\",\"children\":[{\"type\":\"type\",\"name\":\"html\",\"publicId\":null,\"sys",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/wtc/newsYouthCohortDeadline_20230818.html",
    "http://www.cdc.gov/wtc/contact.html",
    "https://www.cdc.gov/wtc/vcfcompare.html"
   ],
   "affected_pages": [
    "https://www.cdc.gov/wtc/newsYouthCohortDeadline_20230818.html",
    "http://www.cdc.gov/wtc/contact.html",
    "https://www.cdc.gov/wtc/vcfcompare.html",
    "https://www.cdc.gov/wtc/benefitscounseling.html"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/wtc/newsYouthCohortDeadline_20230818.html.",
    "Locate the element: {\"type\":\"document\",\"children\":[{\"type\":\"type\",\"name\":\"html\",\"publicId\":null,\"sys",
    "Confirm the Siteimprove Alfa finding for rule sia-r87."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r87",
   "obligation": "unmapped",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W25",
   "last_seen": "2026-W38",
   "weeks_seen": 13,
   "affected_pages_csv": "csv/alfa__sia-r87.csv"
  },
  {
   "instance_id": "VS-de118c1c",
   "pattern_id": "VS-3fb891c5",
   "a11y_pattern_fingerprint": "7f30d06a2a3fe5d3adddb3af279fdc0fa98832930ca78b63aaa9fa6c9e8e06ad",
   "a11y_pattern_display_id": "A11Y-PAT-7F30D06A2A3F",
   "a11y_occurrence_fingerprint": "31983aaf1772e8e06da020e698b9a8447129aad1d3623adee7007a7274a15e60",
   "a11y_occurrence_display_id": "A11Y-OCC-31983AAF1772",
   "url": "https://www.cdc.gov/pcd/issues/2012/11_0109.htm",
   "xpath": "<fieldset>",
   "html_snippet": null,
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r60",
   "rule_label": "Input purpose can be determined",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r60",
   "severity": "Moderate",
   "frequency": {
    "instances": 4,
    "pages_affected": 4,
    "total_pages_scanned": 1858
   },
   "likely_source": "unknown",
   "summary": "Input purpose can be determined (WCAG criterion undetermined)",
   "description": "Input purpose can be determined. Detected by Siteimprove Alfa rule sia-r60 on 4 of 1858 scanned pages (4 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/pcd/issues/2012/11_0109.htm",
     "xpath": "<fieldset>",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/pcd/issues/2013/12_0142_es.htm",
     "xpath": "<fieldset>",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/pcd/issues/2013/12_0204.htm",
     "xpath": "<fieldset>",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/pcd/issues/2013/12_0340.htm",
     "xpath": "<fieldset>",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/pcd/issues/2012/11_0109.htm",
    "https://www.cdc.gov/pcd/issues/2013/12_0142_es.htm",
    "https://www.cdc.gov/pcd/issues/2013/12_0204.htm"
   ],
   "affected_pages": [
    "https://www.cdc.gov/pcd/issues/2012/11_0109.htm",
    "https://www.cdc.gov/pcd/issues/2013/12_0142_es.htm",
    "https://www.cdc.gov/pcd/issues/2013/12_0204.htm",
    "https://www.cdc.gov/pcd/issues/2013/12_0340.htm"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/pcd/issues/2012/11_0109.htm.",
    "Locate the element: <fieldset>",
    "Confirm the Siteimprove Alfa finding for rule sia-r60."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r60",
   "obligation": "unmapped",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W24",
   "last_seen": "2026-W38",
   "weeks_seen": 15,
   "affected_pages_csv": "csv/alfa__sia-r60.csv"
  },
  {
   "instance_id": "VS-b3eb71c8",
   "pattern_id": "VS-c461a167",
   "a11y_pattern_fingerprint": "35c1d6bd0c4cf093020ceeb36b3116a80b4ba725b8e8b3a869bbb27d3f87dfed",
   "a11y_pattern_display_id": "A11Y-PAT-35C1D6BD0C4C",
   "a11y_occurrence_fingerprint": "419d6015177bbac8803c5e6ee9097f7d220702185e89f911e4e95c0206421bb2",
   "a11y_occurrence_display_id": "A11Y-OCC-419D6015177B",
   "url": "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-b/figure-2-5.html",
   "xpath": "<table class=\"table table-striped table-width-unset data-table horizontal\" aria-live=\"assertive\" aria-rowcount=\"2\">",
   "html_snippet": null,
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r54",
   "rule_label": "Assertive live region is marked as atomic",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r54",
   "severity": "Moderate",
   "frequency": {
    "instances": 3,
    "pages_affected": 3,
    "total_pages_scanned": 1858
   },
   "likely_source": "unknown",
   "summary": "Assertive live region is marked as atomic (WCAG criterion undetermined)",
   "description": "Assertive live region is marked as atomic. Detected by Siteimprove Alfa rule sia-r54 on 3 of 1858 scanned pages (3 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-b/figure-2-5.html",
     "xpath": "<table class=\"table table-striped table-width-unset data-table horizontal\" aria-live=\"assertive\" aria-rowcount=\"2\">",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-c/figure-3-5.html",
     "xpath": "<table class=\"table table-striped table-width-unset data-table horizontal\" aria-live=\"assertive\" aria-rowcount=\"2\">",
     "html_snippet": null
    },
    {
     "url": "http://www.cdc.gov/hepatitis-surveillance-2021/hepatitis-b/figure-2-4.html",
     "xpath": "<table class=\"table table-striped table-width-unset data-table horizontal\" aria-live=\"assertive\" aria-rowcount=\"6\">",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-b/figure-2-5.html",
    "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-c/figure-3-5.html",
    "http://www.cdc.gov/hepatitis-surveillance-2021/hepatitis-b/figure-2-4.html"
   ],
   "affected_pages": [
    "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-b/figure-2-5.html",
    "https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-c/figure-3-5.html",
    "http://www.cdc.gov/hepatitis-surveillance-2021/hepatitis-b/figure-2-4.html"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/hepatitis-surveillance-2022/hepatitis-b/figure-2-5.html.",
    "Locate the element: <table class=\"table table-striped table-width-unset data-table horizontal\" aria-live=\"assertive\" aria-rowcount=\"2\">",
    "Confirm the Siteimprove Alfa finding for rule sia-r54."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r54",
   "obligation": "unmapped",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W25",
   "last_seen": "2026-W38",
   "weeks_seen": 12,
   "affected_pages_csv": "csv/alfa__sia-r54.csv"
  },
  {
   "instance_id": "VS-fc6b1ab1",
   "pattern_id": "VS-a84da368",
   "a11y_pattern_fingerprint": "537650a82b7fa21cc4906caa6efa66c782b7af748893c2bd38952a23c8455193",
   "a11y_pattern_display_id": "A11Y-PAT-537650A82B7F",
   "a11y_occurrence_fingerprint": "d70590fab2b4abb9d2fd7a26cf0fb620ca900c852221728e2a9edcc6ed15cb82",
   "a11y_occurrence_display_id": "A11Y-OCC-D70590FAB2B4",
   "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/su5301a15.htm",
   "xpath": "blink",
   "html_snippet": "<blink><big><strong>Disclaimer</strong></big></blink>",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "evidence_status": "automated-indicator",
   "rule_id": "blink-element",
   "rule_label": "Obsolete <blink> element",
   "engine_key": "deprecated-html",
   "tool": "deprecated-html",
   "rule_url": null,
   "severity": "Moderate",
   "frequency": {
    "instances": 2,
    "pages_affected": 2,
    "total_pages_scanned": 1858
   },
   "likely_source": "content",
   "summary": "Obsolete <blink> element (WCAG criterion undetermined)",
   "description": "Obsolete <blink> element. Detected by deprecated-html rule blink-element on 2 of 1858 scanned pages (2 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/su5301a15.htm",
     "xpath": "blink",
     "html_snippet": "<blink><big><strong>Disclaimer</strong></big></blink>"
    },
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5602a1.htm",
     "xpath": "blink",
     "html_snippet": "<blink><big><strong>Disclaimer</strong></big></blink>"
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/su5301a15.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5602a1.htm"
   ],
   "affected_pages": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/su5301a15.htm",
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5602a1.htm"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: deprecated-html, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/mmwr/preview/mmwrhtml/su5301a15.htm.",
    "Locate the element: blink",
    "Confirm the deprecated-html finding for rule blink-element."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "Not captured by automated scan — requires manual testing.",
   "obligation": "unmapped",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W25",
   "last_seen": "2026-W38",
   "weeks_seen": 11,
   "affected_pages_csv": "csv/deprecated-html__blink-element.csv"
  },
  {
   "instance_id": "VS-a9fba725",
   "pattern_id": "VS-3804c2fa",
   "a11y_pattern_fingerprint": "af7de0301e05d6c379683aee0de03297a9736b58e43efd8c65708f3810515063",
   "a11y_pattern_display_id": "A11Y-PAT-AF7DE0301E05",
   "a11y_occurrence_fingerprint": "b2151969038c1366c45419d2429006563fadb6bc71ec2473af18095e9148fbc5",
   "a11y_occurrence_display_id": "A11Y-OCC-B2151969038C",
   "url": "https://www.cdc.gov/pcd/issues/2020/20_0026.htm",
   "xpath": "<span id=\"MathJax-Element-1-Frame\" class=\"mjx-chtml MathJax_CHTML\" tabindex=\"0\" data-mathml=\"<math xmlns=\"http://www.w3.org/1998/Math/MathML\"><mi>B</mi><mo>=</mo><msub><mrow><mi>P</mi></mrow><mrow><mi",
   "html_snippet": null,
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r86",
   "rule_label": "Focus is not lost after interaction",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r86",
   "severity": "Moderate",
   "frequency": {
    "instances": 6,
    "pages_affected": 1,
    "total_pages_scanned": 1858
   },
   "likely_source": "content",
   "summary": "Focus is not lost after interaction (WCAG criterion undetermined)",
   "description": "Focus is not lost after interaction. Detected by Siteimprove Alfa rule sia-r86 on 1 of 1858 scanned pages (6 instances).",
   "examples": [
    {
     "url": "https://www.cdc.gov/pcd/issues/2020/20_0026.htm",
     "xpath": "<span id=\"MathJax-Element-1-Frame\" class=\"mjx-chtml MathJax_CHTML\" tabindex=\"0\" data-mathml=\"<math xmlns=\"http://www.w3.org/1998/Math/MathML\"><mi>B</mi><mo>=</mo><msub><mrow><mi>P</mi></mrow><mrow><mi",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/pcd/issues/2020/20_0026.htm",
     "xpath": "<span id=\"MathJax-Element-2-Frame\" class=\"mjx-chtml MathJax_CHTML\" tabindex=\"0\" data-mathml=\"<math xmlns=\"http://www.w3.org/1998/Math/MathML\"><mi>R</mi><mi>B</mi><mo>=</mo><mfrac><mrow><msub><mrow><mi",
     "html_snippet": null
    },
    {
     "url": "https://www.cdc.gov/pcd/issues/2020/20_0026.htm",
     "xpath": "<span id=\"MathJax-Element-3-Frame\" class=\"mjx-chtml MathJax_CHTML\" tabindex=\"0\" data-mathml=\"<math xmlns=\"http://www.w3.org/1998/Math/MathML\"><mover accent=\"true\"><mrow><mi>B</mi></mrow><mo>^</mo></mo",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "https://www.cdc.gov/pcd/issues/2020/20_0026.htm"
   ],
   "affected_pages": [
    "https://www.cdc.gov/pcd/issues/2020/20_0026.htm"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open https://www.cdc.gov/pcd/issues/2020/20_0026.htm.",
    "Locate the element: <span id=\"MathJax-Element-1-Frame\" class=\"mjx-chtml MathJax_CHTML\" tabindex=\"0\" data-mathml=\"<math xmlns=\"http://www.w3.org/1998/Math/MathML\"><mi>B</mi><mo>=</mo><msub><mrow><mi>P</mi></mrow><mrow><mi",
    "Confirm the Siteimprove Alfa finding for rule sia-r86."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r86",
   "obligation": "unmapped",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W31",
   "last_seen": "2026-W38",
   "weeks_seen": 2,
   "affected_pages_csv": "csv/alfa__sia-r86.csv"
  },
  {
   "instance_id": "VS-5db7ccab",
   "pattern_id": "VS-e43903a1",
   "a11y_pattern_fingerprint": "5d435268fb2825bc656f023e59bfa6029f1d2239bcadc8626d159b1d66610057",
   "a11y_pattern_display_id": "A11Y-PAT-5D435268FB28",
   "a11y_occurrence_fingerprint": "386fe3b89f446ad0f9f1a20507454c1d1336cdaeda44d553619f523a3a1211ba",
   "a11y_occurrence_display_id": "A11Y-OCC-386FE3B89F44",
   "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6124a3.htm?s_cid=mm6124a3_w",
   "xpath": "<span class=\"subscript\">",
   "html_snippet": null,
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "evidence_status": "automated-indicator",
   "rule_id": "sia-r75",
   "rule_label": "Form field error is identified and described",
   "engine_key": "alfa",
   "tool": "Siteimprove Alfa",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r75",
   "severity": "Moderate",
   "frequency": {
    "instances": 1,
    "pages_affected": 1,
    "total_pages_scanned": 1858
   },
   "likely_source": "content",
   "summary": "Form field error is identified and described (WCAG criterion undetermined)",
   "description": "Form field error is identified and described. Detected by Siteimprove Alfa rule sia-r75 on 1 of 1858 scanned pages (1 instances).",
   "examples": [
    {
     "url": "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6124a3.htm?s_cid=mm6124a3_w",
     "xpath": "<span class=\"subscript\">",
     "html_snippet": null
    }
   ],
   "example_pages": [
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6124a3.htm?s_cid=mm6124a3_w"
   ],
   "affected_pages": [
    "http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6124a3.htm?s_cid=mm6124a3_w"
   ],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   },
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "steps_to_reproduce": [
    "Open http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6124a3.htm?s_cid=mm6124a3_w.",
    "Locate the element: <span class=\"subscript\">",
    "Confirm the Siteimprove Alfa finding for rule sia-r75."
   ],
   "remediation_tip": null,
   "tech_name": null,
   "tech_remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r75",
   "obligation": "unmapped",
   "handling": "review",
   "policy_source": "default",
   "policy_reason": null,
   "policy_evidence": [],
   "policy_owner": null,
   "policy_expires": null,
   "included_in_primary_score": false,
   "first_seen": "2026-W25",
   "last_seen": "2026-W38",
   "weeks_seen": 12,
   "affected_pages_csv": "csv/alfa__sia-r75.csv"
  }
 ],
 "policy": {
  "suppression": {
   "patterns": 0,
   "pages": 0,
   "occurrences": 0,
   "entries": []
  }
 }
}