{
 "schema_version": "0.1",
 "site": "www.cdc.gov",
 "scan_week": "2026-W24",
 "generated_at": "2026-09-30T18:09:36.792Z",
 "source_files": [
  "docs/reports/www.cdc.gov/2026-W24/",
  "data/www.cdc.gov/findings.json",
  "data/www.cdc.gov/2026-W24/summary.json"
 ],
 "summary": {
  "pages_known": 40472,
  "pages_scanned_this_week": 833,
  "pages_with_known_issues": 39122,
  "findings": 60,
  "clusters": 49,
  "new_findings": 60,
  "persistent_findings": 0,
  "high_priority_findings": 30
 },
 "top_risks": [
  {
   "finding_id": "VS-f18df681",
   "rule_id": "region",
   "rule_label": "All page content should be contained by landmarks",
   "severity": "Serious",
   "priority": "p1",
   "trend": "new",
   "pages_affected": 812,
   "rationale": "Serious severity; affects 812 pages",
   "top_url": "https://www.cdc.gov/soccer/index.html"
  },
  {
   "finding_id": "VS-9074b4dd",
   "rule_id": "image-alt",
   "rule_label": "Images must have alternative text",
   "severity": "Critical",
   "priority": "p1",
   "trend": "new",
   "pages_affected": 95,
   "rationale": "Critical severity",
   "top_url": "https://www.cdc.gov/pcd/issues/2005/nov/cover.htm"
  },
  {
   "finding_id": "VS-c126b6a6",
   "rule_id": "html-has-lang",
   "rule_label": "<html> element must have a lang attribute",
   "severity": "Serious",
   "priority": "p1",
   "trend": "new",
   "pages_affected": 94,
   "rationale": "Serious severity",
   "top_url": "https://www.cdc.gov/pcd/issues/2005/nov/cover.htm"
  },
  {
   "finding_id": "VS-be8d563e",
   "rule_id": "color-contrast",
   "rule_label": "Elements must meet minimum color contrast ratio thresholds",
   "severity": "Serious",
   "priority": "p1",
   "trend": "new",
   "pages_affected": 91,
   "rationale": "Serious severity",
   "top_url": "https://www.cdc.gov/mmwr/preview/index94.html"
  },
  {
   "finding_id": "VS-e9fe47ac",
   "rule_id": "link-name",
   "rule_label": "Links must have discernible text",
   "severity": "Serious",
   "priority": "p1",
   "trend": "new",
   "pages_affected": 34,
   "rationale": "Serious severity",
   "top_url": "https://www.cdc.gov/pcd/issues/2005/nov/cover.htm"
  },
  {
   "finding_id": "VS-33841929",
   "rule_id": "label-title-only",
   "rule_label": "Form elements should have a visible label",
   "severity": "Serious",
   "priority": "p1",
   "trend": "new",
   "pages_affected": 15,
   "rationale": "Serious severity",
   "top_url": "https://www.cdc.gov/pcd/issues/2005/nov/05_0076_zht.htm"
  },
  {
   "finding_id": "VS-fafffee0",
   "rule_id": "label",
   "rule_label": "Form elements must have labels",
   "severity": "Critical",
   "priority": "p1",
   "trend": "new",
   "pages_affected": 13,
   "rationale": "Critical severity",
   "top_url": "https://www.cdc.gov/mmwr/preview/index94.html"
  },
  {
   "finding_id": "VS-8ade3360",
   "rule_id": "link-in-text-block",
   "rule_label": "Links must be distinguishable without relying on color",
   "severity": "Serious",
   "priority": "p1",
   "trend": "new",
   "pages_affected": 9,
   "rationale": "Serious severity",
   "top_url": "https://www.cdc.gov/rss"
  },
  {
   "finding_id": "VS-3f76c7ea",
   "rule_id": "frame-title",
   "rule_label": "Frames must have an accessible name",
   "severity": "Serious",
   "priority": "p1",
   "trend": "new",
   "pages_affected": 7,
   "rationale": "Serious severity",
   "top_url": "https://www.cdc.gov/about/cdc-moving-forward/newcdc-info.html"
  },
  {
   "finding_id": "VS-a0bdbdf6",
   "rule_id": "list",
   "rule_label": "<ul> and <ol> must only directly contain <li>, <script> or <template> elements",
   "severity": "Serious",
   "priority": "p1",
   "trend": "new",
   "pages_affected": 5,
   "rationale": "Serious severity",
   "top_url": "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001952.htm"
  }
 ],
 "findings": [
  {
   "finding_id": "VS-f18df681",
   "fingerprint": "09987718",
   "rule_id": "region",
   "rule_label": "All page content should be contained by landmarks",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/region?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "high",
   "rationale": "Serious severity; affects 812 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 812,
    "affected_pages_previous": 2928
   },
   "frequency": {
    "instances": 5552,
    "pages_affected": 812,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 812 of 833 scanned pages (5552 instances).",
   "remediation_tip": "Wrap all page content in landmarks (header, nav, main, footer) so users can navigate by region.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/region?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule region.",
   "actual_behavior": "All page content should be contained by landmarks. Detected by axe-core rule region on 812 of 833 scanned pages (5552 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/soccer/index.html",
    "https://www.cdc.gov/oeeo/policies/index.html",
    "https://www.cdc.gov/healthy-pets/emergency-preparedness/index.html"
   ],
   "html_fragments": [
    {
     "fingerprint": "105ae389",
     "html": "<div class=\"cdc-site-gov-notice noindex noprint\" aria-label=\"Official website of the United States government\">",
     "selectors": [
      ".cdc-site-gov-notice"
     ]
    },
    {
     "fingerprint": "370dae42",
     "html": "<div class=\"col-lg-3 site-footer__heading\n\t\t\t\t\t\">",
     "selectors": [
      ".site-footer__heading"
     ]
    },
    {
     "fingerprint": "f9f556f1",
     "html": "<a href=\"https://tools.cdc.gov/campaignproxyservice/subscriptions.aspx#featured\">Sign up for Email Updates</a>",
     "selectors": [
      ".site-footer__emailupdates > .col > a"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 2
    },
    {
     "pattern": "/soccer/index.html",
     "count": 1
    },
    {
     "pattern": "/oeeo/policies/index.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-9074b4dd",
   "fingerprint": "f1846b41",
   "rule_id": "image-alt",
   "rule_label": "Images must have alternative text",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": "1.1.1",
   "wcag_name": "Non-text Content",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/image-alt?application=axeAPI",
   "severity": "Critical",
   "priority": "p1",
   "confidence": "high",
   "rationale": "Critical severity",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 95,
    "affected_pages_previous": 588
   },
   "frequency": {
    "instances": 988,
    "pages_affected": 95,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "summary": "Images must have alternative text (WCAG 1.1.1)",
   "description": "Images must have alternative text. Detected by axe-core rule image-alt on 95 of 833 scanned pages (988 instances).",
   "remediation_tip": "Give every <img> a meaningful alt attribute. Use alt=\"\" only for decorative images so screen readers skip them.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/image-alt?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule image-alt (WCAG 1.1.1).",
   "actual_behavior": "Images must have alternative text. Detected by axe-core rule image-alt on 95 of 833 scanned pages (988 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/issues/2005/nov/cover.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00050021.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001276.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "690454a6",
     "html": "<img src=\"http://www.cdc.gov/navimages/nav21.gif\" border=\"0\" alt=\" \" width=\"140\" height=\"8\">",
     "selectors": [
      "img[height=\"8\"][alt=\" \"][width=\"140\"]"
     ]
    },
    {
     "fingerprint": "eb94d89e",
     "html": "<img border=\"0\" src=\"http://www.cdc.gov/navimages/nav12.gif\" alt=\" \" width=\"12\" height=\"63\">",
     "selectors": [
      "img[height=\"63\"]"
     ]
    },
    {
     "fingerprint": "9a05d1a8",
     "html": "<img src=\"//www.cdc.gov/navimages/spacer.gif\" width=\"1\" height=\"1\" alt=\" \">",
     "selectors": [
      "td[bgcolor=\"#000099\"][width=\"50%\"][height=\"19\"]:nth-child(6) > img[width=\"1\"][height=\"1\"][alt=\" \"]"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 19
    },
    {
     "pattern": "/pcd/issues/{id}/nov/cover.htm",
     "count": 1
    },
    {
     "pattern": "/pcd/issues/{id}/nov/{id}_0076_zht.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "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%)."
   }
  },
  {
   "finding_id": "VS-c126b6a6",
   "fingerprint": "b6dc10f1",
   "rule_id": "html-has-lang",
   "rule_label": "<html> element must have a lang attribute",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": "3.1.1",
   "wcag_name": "Language of Page",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/html-has-lang?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "high",
   "rationale": "Serious severity",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 94,
    "affected_pages_previous": 589
   },
   "frequency": {
    "instances": 94,
    "pages_affected": 94,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 94 of 833 scanned pages (94 instances).",
   "remediation_tip": "Add a lang attribute to <html> (e.g. lang=\"en\").",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/html-has-lang?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule html-has-lang (WCAG 3.1.1).",
   "actual_behavior": "<html> element must have a lang attribute. Detected by axe-core rule html-has-lang on 94 of 833 scanned pages (94 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/issues/2005/nov/cover.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00050021.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001276.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "3e866d4c",
     "html": "<html>",
     "selectors": [
      "html"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 19
    },
    {
     "pattern": "/pcd/issues/{id}/nov/cover.htm",
     "count": 1
    },
    {
     "pattern": "/pcd/issues/{id}/nov/{id}_0076_zht.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "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%)."
   }
  },
  {
   "finding_id": "VS-be8d563e",
   "fingerprint": "1820bc84",
   "rule_id": "color-contrast",
   "rule_label": "Elements must meet minimum color contrast ratio thresholds",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": "1.4.3",
   "wcag_name": "Contrast (Minimum)",
   "wcag_level": "AA",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 AA",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/color-contrast?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "high",
   "rationale": "Serious severity",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 91,
    "affected_pages_previous": 570
   },
   "frequency": {
    "instances": 183,
    "pages_affected": 91,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 91 of 833 scanned pages (183 instances).",
   "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.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/color-contrast?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule color-contrast (WCAG 1.4.3).",
   "actual_behavior": "Elements must meet minimum color contrast ratio thresholds. Detected by axe-core rule color-contrast on 91 of 833 scanned pages (183 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/preview/index94.html",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00050021.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001276.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "2e1d7f11",
     "html": "<span class=\"wm-label\" style=\"position: absolute; left: 3px; display: inline; cursor: text; color: rgb(204, 204, 204);\">Choose a topic above</span>",
     "selectors": [
      ".wm-label"
     ]
    },
    {
     "fingerprint": "ded6b5b6",
     "html": "<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>",
     "selectors": [
      "a[name=\"content_area\"] > font[color=\"red\"]"
     ]
    },
    {
     "fingerprint": "0400c071",
     "html": "<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>",
     "selectors": [
      "p > font[color=\"red\"]"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 19
    },
    {
     "pattern": "/mmwr/preview/index94.html",
     "count": 1
    },
    {
     "pattern": "/rss",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "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%)."
   }
  },
  {
   "finding_id": "VS-e9fe47ac",
   "fingerprint": "f85a6839",
   "rule_id": "link-name",
   "rule_label": "Links must have discernible text",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": "2.4.4",
   "wcag_name": "Link Purpose (In Context)",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/link-name?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "high",
   "rationale": "Serious severity",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 34,
    "affected_pages_previous": 239
   },
   "frequency": {
    "instances": 60,
    "pages_affected": 34,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "summary": "Links must have discernible text (WCAG 2.4.4)",
   "description": "Links must have discernible text. Detected by axe-core rule link-name on 34 of 833 scanned pages (60 instances).",
   "remediation_tip": "Give the link discernible text. Avoid empty links and icon-only links without an aria-label.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/link-name?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule link-name (WCAG 2.4.4).",
   "actual_behavior": "Links must have discernible text. Detected by axe-core rule link-name on 34 of 833 scanned pages (60 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/issues/2005/nov/cover.htm",
    "https://www.cdc.gov/zika/php/transmission/index.html",
    "https://www.cdc.gov/pcd/issues/2005/nov/05_0076_zht.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "94d163c5",
     "html": "<a href=\"http://www.cdc.gov/\"><img src=\"http://www.cdc.gov/navimages/nav21.gif\" border=\"0\" alt=\" \" width=\"140\" height=\"8\"></a>",
     "selectors": [
      "table[cellpadding=\"0\"]:nth-child(2) > tbody > tr > td[width=\"140\"] > a[href$=\"cdc.gov/\"]"
     ]
    },
    {
     "fingerprint": "7e087d96",
     "html": "<a href=\"http://www.cdc.gov/\"><img border=\"0\" src=\"http://www.cdc.gov/navimages/nav12.gif\" alt=\" \" width=\"12\" height=\"63\"></a>",
     "selectors": [
      "td[rowspan=\"2\"][width=\"12\"][valign=\"top\"] > a[href$=\"cdc.gov/\"]"
     ]
    },
    {
     "fingerprint": "8ba6cd30",
     "html": "<a href=\"https://www.cdc.gov/zika/prevention/sexual-transmission-prevention.html\" class=\"\"> </a>",
     "selectors": [
      "p:nth-child(11) > a:nth-child(2)"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/pcd/issues/{id}/jan/cover.htm",
     "count": 2
    },
    {
     "pattern": "/pcd/issues/{id}/nov/cover.htm",
     "count": 1
    },
    {
     "pattern": "/zika/php/transmission/index.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "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%)."
   }
  },
  {
   "finding_id": "VS-33841929",
   "fingerprint": "e18c0475",
   "rule_id": "label-title-only",
   "rule_label": "Form elements should have a visible label",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/label-title-only?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "high",
   "rationale": "Serious severity",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 15,
    "affected_pages_previous": 155
   },
   "frequency": {
    "instances": 15,
    "pages_affected": 15,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 15 of 833 scanned pages (15 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/label-title-only?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule label-title-only.",
   "actual_behavior": "Form elements should have a visible label. Detected by axe-core rule label-title-only on 15 of 833 scanned pages (15 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/issues/2005/nov/05_0076_zht.htm",
    "https://www.cdc.gov/pcd/issues/2005/nov/05_0075.htm",
    "https://www.cdc.gov/pcd/issues/2008/oct/07_0164.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "7031ef70",
     "html": "<input class=\"smallfield\" type=\"text\" name=\"email\" size=\"15\" title=\"插入電子郵件\" value=\"插入電子郵件\" onfocus=\"this.value=''\">",
     "selectors": [
      ".smallfield"
     ]
    },
    {
     "fingerprint": "e98b87f8",
     "html": "<input class=\"smallfield\" type=\"text\" name=\"email\" size=\"15\" title=\"Insert e-mail\" value=\"Insert e-mail\" onfocus=\"this.value=''\">",
     "selectors": [
      ".smallfield"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/pcd/issues/{id}/nov/{id}_0076_zht.htm",
     "count": 1
    },
    {
     "pattern": "/pcd/issues/{id}/nov/{id}_0075.htm",
     "count": 1
    },
    {
     "pattern": "/pcd/issues/{id}/oct/{id}_0164.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-fafffee0",
   "fingerprint": "d5e15238",
   "rule_id": "label",
   "rule_label": "Form elements must have labels",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": "4.1.2",
   "wcag_name": "Name, Role, Value",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/label?application=axeAPI",
   "severity": "Critical",
   "priority": "p1",
   "confidence": "high",
   "rationale": "Critical severity",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 13,
    "affected_pages_previous": 162
   },
   "frequency": {
    "instances": 19,
    "pages_affected": 13,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "summary": "Form elements must have labels (WCAG 4.1.2)",
   "description": "Form elements must have labels. Detected by axe-core rule label on 13 of 833 scanned pages (19 instances).",
   "remediation_tip": "Associate every form control with a <label> (via for/id) or an aria-label/aria-labelledby.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/label?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule label (WCAG 4.1.2).",
   "actual_behavior": "Form elements must have labels. Detected by axe-core rule label on 13 of 833 scanned pages (19 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/preview/index94.html",
    "https://www.cdc.gov/places/communication-resources/index.html",
    "https://www.cdc.gov/mmwr/preview/ind2003_su.html"
   ],
   "html_fragments": [
    {
     "fingerprint": "2894a461",
     "html": "<input type=\"text\" class=\"email\" id=\"Email\" name=\"email\" value=\"\" onfocus=\"this.value=''\">",
     "selectors": [
      "#Email"
     ]
    },
    {
     "fingerprint": "42018120",
     "html": "<textarea style=\" width: 90%; height: 150px; border: 1px #ccc solid; padding: 5px;\" name=\"text_area\" class=\"codeCopy\" id=\"green-button-1\" onclick=\"javascript:this.focus();this.select();\" rows=\"8\" cols",
     "selectors": [
      "#green-button-1",
      ".dfe-block--width-standard.dfe-block.dfe-block--cdcmodule:nth-child(9) > .dfe-block__inner > .dfe-block.dfe-block--cdcmodule.cdc_raw_html > form[action=\"\"] > textarea",
      ".dfe-block--width-standard.dfe-block.dfe-block--cdcmodule:nth-child(12) > .dfe-block__inner > .dfe-block.dfe-block--cdcmodule.cdc_raw_html > form[action=\"\"] > textarea"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/index94.html",
     "count": 1
    },
    {
     "pattern": "/places/communication-resources/index.html",
     "count": 1
    },
    {
     "pattern": "/mmwr/preview/ind2003_su.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "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%)."
   }
  },
  {
   "finding_id": "VS-8ade3360",
   "fingerprint": "8bf51706",
   "rule_id": "link-in-text-block",
   "rule_label": "Links must be distinguishable without relying on color",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": "1.4.1",
   "wcag_name": "Use of Color",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/link-in-text-block?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "medium",
   "rationale": "Serious severity",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 9,
    "affected_pages_previous": 60
   },
   "frequency": {
    "instances": 20,
    "pages_affected": 9,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 9 of 833 scanned pages (20 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/link-in-text-block?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule link-in-text-block (WCAG 1.4.1).",
   "actual_behavior": "Links must be distinguishable without relying on color. Detected by axe-core rule link-in-text-block on 9 of 833 scanned pages (20 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/rss",
    "https://www.cdc.gov/malaria/php/surveillance/communication.html",
    "https://www.cdc.gov/infection-control/hcp/isolation-precautions/appendix-a-type-duration.html"
   ],
   "html_fragments": [
    {
     "fingerprint": "af8e10ab",
     "html": "<a href=\"https://www.cdc.gov/cdc-info/forms/contact-us.html\">Send us a message</a>",
     "selectors": [
      ".mb-3.card > .card-body > p > a"
     ]
    },
    {
     "fingerprint": "1ca4dacf",
     "html": "<a class=\"all-pages\" href=\"#toc\">All pages <span class=\"cdc-fa-arrow-down-long\"></span></a>",
     "selectors": [
      ".all-pages"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/rss",
     "count": 1
    },
    {
     "pattern": "/malaria/php/surveillance/communication.html",
     "count": 1
    },
    {
     "pattern": "/infection-control/hcp/isolation-precautions/appendix-a-type-duration.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "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%)."
   }
  },
  {
   "finding_id": "VS-3f76c7ea",
   "fingerprint": "fbb98de4",
   "rule_id": "frame-title",
   "rule_label": "Frames must have an accessible name",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": "4.1.2",
   "wcag_name": "Name, Role, Value",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/frame-title?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "medium",
   "rationale": "Serious severity",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 7,
    "affected_pages_previous": 24
   },
   "frequency": {
    "instances": 7,
    "pages_affected": 7,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 833 scanned pages (7 instances).",
   "remediation_tip": "Give every <iframe> a descriptive title attribute.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/frame-title?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule frame-title (WCAG 4.1.2).",
   "actual_behavior": "Frames must have an accessible name. Detected by axe-core rule frame-title on 7 of 833 scanned pages (7 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/about/cdc-moving-forward/newcdc-info.html",
    "https://www.cdc.gov/cancer-survivors/patients/clinical-trials.html",
    "https://www.cdc.gov/radon/features/jackie-story.html"
   ],
   "html_fragments": [
    {
     "fingerprint": "1057b001",
     "html": "<iframe src=\"//www.youtube-nocookie.com/embed/9RnkRCCkSdc?autohide=0&enablejsapi=1&modestbranding=1&rel=0&origin=https://www.cdc.gov?autohide=0&enablejsapi=1&modestbranding=1&rel=0&origin=https://www.",
     "selectors": [
      "iframe"
     ]
    },
    {
     "fingerprint": "b1c0ea1c",
     "html": "<iframe src=\"//www.youtube-nocookie.com/embed/oH5B3lxxW8k?autohide=0&enablejsapi=1&modestbranding=1&rel=0&origin=https://www.cdc.gov?autohide=0&enablejsapi=1&modestbranding=1&rel=0&origin=https://www.",
     "selectors": [
      "iframe"
     ]
    },
    {
     "fingerprint": "682c0488",
     "html": "<iframe src=\"//www.youtube-nocookie.com/embed/bXI0sFaS4S8?autohide=0&enablejsapi=1&modestbranding=1&rel=0&origin=https://www.cdc.gov?autohide=0&enablejsapi=1&modestbranding=1&rel=0&origin=https://www.",
     "selectors": [
      "iframe"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/about/cdc-moving-forward/newcdc-info.html",
     "count": 1
    },
    {
     "pattern": "/cancer-survivors/patients/clinical-trials.html",
     "count": 1
    },
    {
     "pattern": "/radon/features/jackie-story.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "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%)."
   }
  },
  {
   "finding_id": "VS-a0bdbdf6",
   "fingerprint": "ca0fa40f",
   "rule_id": "list",
   "rule_label": "<ul> and <ol> must only directly contain <li>, <script> or <template> elements",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": "1.3.1",
   "wcag_name": "Info and Relationships",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/list?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "medium",
   "rationale": "Serious severity",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 5,
    "affected_pages_previous": 24
   },
   "frequency": {
    "instances": 5,
    "pages_affected": 5,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 5 of 833 scanned pages (5 instances).",
   "remediation_tip": "Use <ul>/<ol> with only <li> children for lists; don't fake lists with <div>s.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/list?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule list (WCAG 1.3.1).",
   "actual_behavior": "<ul> and <ol> must only directly contain <li>, <script> or <template> elements. Detected by axe-core rule list on 5 of 833 scanned pages (5 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001952.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001887.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001928.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "0fd146d6",
     "html": "<ol type=\"1\">",
     "selectors": [
      "ol"
     ]
    },
    {
     "fingerprint": "34cea4c3",
     "html": "<ul>",
     "selectors": [
      "ul:nth-child(153)"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 5
    }
   ],
   "associated_technologies": [],
   "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%)."
   }
  },
  {
   "finding_id": "VS-7430f84c",
   "fingerprint": "e66eb7da",
   "rule_id": "tabindex",
   "rule_label": "Elements should not have tabindex greater than zero",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/tabindex?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "medium",
   "rationale": "Serious severity",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 3,
    "affected_pages_previous": 158
   },
   "frequency": {
    "instances": 7,
    "pages_affected": 3,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 3 of 833 scanned pages (7 instances).",
   "remediation_tip": "Avoid tabindex values greater than 0; they create a confusing tab order.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/tabindex?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule tabindex.",
   "actual_behavior": "Elements should not have tabindex greater than zero. Detected by axe-core rule tabindex on 3 of 833 scanned pages (7 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/",
    "https://www.cdc.gov/spanish",
    "https://www.cdc.gov/niosh/pubs/default.html"
   ],
   "html_fragments": [
    {
     "fingerprint": "3fd04ff8",
     "html": "<a class=\"skippy visually-hidden-focusable\" href=\"#content\" tabindex=\"1\">Skip to site content</a>",
     "selectors": [
      "a[href$=\"#content\"]"
     ]
    },
    {
     "fingerprint": "bebb4770",
     "html": "<a class=\"skippy visually-hidden-focusable\" href=\"#headerSearch\" tabindex=\"2\">Skip to search</a>",
     "selectors": [
      "a[href$=\"#headerSearch\"]"
     ]
    },
    {
     "fingerprint": "e4f0bd6a",
     "html": "<button id=\"animation-toggle\" aria-pressed=\"true\" tabindex=\"3\"><span class=\"visually-hidden\">Pause carousel</span></button>",
     "selectors": [
      "#animation-toggle"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/",
     "count": 1
    },
    {
     "pattern": "/spanish",
     "count": 1
    },
    {
     "pattern": "/niosh/pubs/default.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-6175596b",
   "fingerprint": "7ac6b8df",
   "rule_id": "listitem",
   "rule_label": "<li> elements must be contained in a <ul> or <ol>",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": "1.3.1",
   "wcag_name": "Info and Relationships",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/listitem?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "low",
   "rationale": "Serious severity",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 1,
    "affected_pages_previous": 3
   },
   "frequency": {
    "instances": 3,
    "pages_affected": 1,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 1 of 833 scanned pages (3 instances).",
   "remediation_tip": "<li> must be inside a <ul> or <ol>.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/listitem?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule listitem (WCAG 1.3.1).",
   "actual_behavior": "<li> elements must be contained in a <ul> or <ol>. Detected by axe-core rule listitem on 1 of 833 scanned pages (3 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/phleads/php/about"
   ],
   "html_fragments": [
    {
     "fingerprint": "52d07ff8",
     "html": "<li>Increased effectiveness of leadership and data science training programs.</li>",
     "selectors": [
      ".table-col[role=\"cell\"][data-col=\"2\"] > li:nth-child(2)"
     ]
    },
    {
     "fingerprint": "7babc882",
     "html": "<li>Increased leadership and data science competency of emerging public health professionals.<ul style=\"padding: 0px; list-style: none; box-sizing: border-box; margin-top: 0px; margin-bottom: 0px;\"></",
     "selectors": [
      ".table-col[role=\"cell\"][data-col=\"2\"] > li:nth-child(3)"
     ]
    },
    {
     "fingerprint": "affc742a",
     "html": "<li>Increased diversity of the public health workforce.<ul style=\"padding: 0px; list-style: none; box-sizing: border-box; margin-top: 0px; margin-bottom: 0px;\"></ul></li>",
     "selectors": [
      ".table-col[role=\"cell\"][data-col=\"2\"] > li:nth-child(4)"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/phleads/php/about",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "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%)."
   }
  },
  {
   "finding_id": "VS-c613c153",
   "fingerprint": "364ee5cc",
   "rule_id": "scrollable-region-focusable",
   "rule_label": "Scrollable region must have keyboard access",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": "2.1.1",
   "wcag_name": "Keyboard",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/scrollable-region-focusable?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "low",
   "rationale": "Serious severity",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 1,
    "affected_pages_previous": 25
   },
   "frequency": {
    "instances": 1,
    "pages_affected": 1,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 1 of 833 scanned pages (1 instances).",
   "remediation_tip": "Make scrollable regions keyboard-focusable (tabindex=\"0\") so keyboard users can scroll them.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/scrollable-region-focusable?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule scrollable-region-focusable (WCAG 2.1.1).",
   "actual_behavior": "Scrollable region must have keyboard access. Detected by axe-core rule scrollable-region-focusable on 1 of 833 scanned pages (1 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/nors/reports/animal-contact-outbreaks-2017.html"
   ],
   "html_fragments": [
    {
     "fingerprint": "186bd8d7",
     "html": "<div style=\"overflow-x: auto;\">",
     "selectors": [
      ".cdc_page_element.dfe-block.dfe-block--cdcmodule:nth-child(31) > .dfe-block__inner > .cdc-textblock > .table-responsive > div"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/nors/reports/animal-contact-outbreaks-2017.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "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%)."
   }
  },
  {
   "finding_id": "VS-5c82bd60",
   "fingerprint": "c0b3c60a",
   "rule_id": "aria-command-name",
   "rule_label": "ARIA commands must have an accessible name",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": "4.1.2",
   "wcag_name": "Name, Role, Value",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/aria-command-name?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "low",
   "rationale": "Serious severity",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 1,
    "affected_pages_previous": 8
   },
   "frequency": {
    "instances": 4,
    "pages_affected": 1,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 1 of 833 scanned pages (4 instances).",
   "remediation_tip": "Give the command (button/link/menuitem) an accessible name via text or aria-label.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/aria-command-name?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule aria-command-name (WCAG 4.1.2).",
   "actual_behavior": "ARIA commands must have an accessible name. Detected by axe-core rule aria-command-name on 1 of 833 scanned pages (4 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/rocky-mountain-spotted-fever/hcp/data-research/index.html"
   ],
   "html_fragments": [
    {
     "fingerprint": "88103dec",
     "html": "<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",
     "selectors": [
      "#dataTableSection__CaseFatalityRateofSpottedFeverRickettsiosisbyAgeGroup-2008-2013 > .table-container > table > thead > tr > th:nth-child(1) > .sort-icon[role=\"button\"]",
      "#dataTableSection__CaseFatalityRateofSpottedFeverRickettsiosisbyAgeGroup-2008-2013 > .table-container > table > thead > tr > th:nth-child(2) > .sort-icon[role=\"button\"]",
      "#dataTableSection__CaseFatalityRateof-em-Ehrlichiachaffeensis-em-byAgeGroup-2008-2013 > .table-container > table > thead > tr > th:nth-child(1) > .sort-icon[role=\"button\"]"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/rocky-mountain-spotted-fever/hcp/data-research/index.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "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%)."
   }
  },
  {
   "finding_id": "VS-58301a87",
   "fingerprint": "345a6415",
   "rule_id": "nested-interactive",
   "rule_label": "Interactive controls must not be nested",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": "4.1.2",
   "wcag_name": "Name, Role, Value",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/nested-interactive?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "low",
   "rationale": "Serious severity",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 1,
    "affected_pages_previous": 6
   },
   "frequency": {
    "instances": 1,
    "pages_affected": 1,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 1 of 833 scanned pages (1 instances).",
   "remediation_tip": "Don't nest interactive controls (e.g. a button inside a link); split them apart.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/nested-interactive?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule nested-interactive (WCAG 4.1.2).",
   "actual_behavior": "Interactive controls must not be nested. Detected by axe-core rule nested-interactive on 1 of 833 scanned pages (1 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/tobacco/campaign/tips/diseases/cancer.html"
   ],
   "html_fragments": [
    {
     "fingerprint": "f9170cc1",
     "html": "<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",
     "selectors": [
      "#acc-header-2"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/tobacco/campaign/tips/diseases/cancer.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "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%)."
   }
  },
  {
   "finding_id": "VS-dd1c019f",
   "fingerprint": "dec2d038",
   "rule_id": "valid-lang",
   "rule_label": "lang attribute must have a valid value",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": "3.1.2",
   "wcag_name": "Language of Parts",
   "wcag_level": "AA",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 AA",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/valid-lang?application=axeAPI",
   "severity": "Serious",
   "priority": "p1",
   "confidence": "low",
   "rationale": "Serious severity",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 1,
    "affected_pages_previous": 2
   },
   "frequency": {
    "instances": 2,
    "pages_affected": 1,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 1 of 833 scanned pages (2 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/valid-lang?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule valid-lang (WCAG 3.1.2).",
   "actual_behavior": "lang attribute must have a valid value. Detected by axe-core rule valid-lang on 1 of 833 scanned pages (2 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/other/language-assistance.html"
   ],
   "html_fragments": [
    {
     "fingerprint": "589e1047",
     "html": "<ul lang=\"”ru\"\" xml:lang=\"”ru\"\">",
     "selectors": [
      ".cdc-textblock > ul[lang=\"”ru\\\"\"]"
     ]
    },
    {
     "fingerprint": "2be2a649",
     "html": "<ul lang=\"”ru&quot;\" xml:lang=\"”ru&quot;\">\n<li>услуги квалифицированных сурдопереводчиков;</li>\n<li>письменную информацию в других форматах (крупный шрифт, аудио формат, доступные электронные форматы,",
     "selectors": [
      "li:nth-child(1) > ul[lang=\"”ru\\\"\"]"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/other/language-assistance.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "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%)."
   }
  },
  {
   "finding_id": "VS-8806389c",
   "fingerprint": "ffb2ae06",
   "rule_id": "landmark-unique",
   "rule_label": "Landmarks should have a unique role or role/label/title (i.e. accessible name) c",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/landmark-unique?application=axeAPI",
   "severity": "Moderate",
   "priority": "p2",
   "confidence": "high",
   "rationale": "affects 360 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 360,
    "affected_pages_previous": 977
   },
   "frequency": {
    "instances": 371,
    "pages_affected": 360,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 360 of 833 scanned pages (371 instances).",
   "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.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/landmark-unique?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule landmark-unique.",
   "actual_behavior": "Landmarks should have a unique role or role/label/title (i.e. accessible name) c. Detected by axe-core rule landmark-unique on 360 of 833 scanned pages (371 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/soccer/index.html",
    "https://www.cdc.gov/healthy-pets/emergency-preparedness/index.html",
    "https://www.cdc.gov/nors"
   ],
   "html_fragments": [
    {
     "fingerprint": "ef2863bd",
     "html": "<aside class=\"page-right-rail__static noindex\" role=\"complementary\" style=\"margin-top: 47px;\">",
     "selectors": [
      ".page-right-rail__static"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/soccer/index.html",
     "count": 1
    },
    {
     "pattern": "/healthy-pets/emergency-preparedness/index.html",
     "count": 1
    },
    {
     "pattern": "/nors",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-cb53cc4d",
   "fingerprint": "1738fa81",
   "rule_id": "sia-r111",
   "rule_label": "Target size is at least 44×44 CSS pixels (Enhanced)",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "2.5.5",
   "wcag_name": "Target Size (Enhanced)",
   "wcag_level": "AAA",
   "wcag_version": "2.1",
   "wcag_category": "WCAG 2.x AAA",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r111",
   "severity": "Moderate",
   "priority": "p2",
   "confidence": "high",
   "rationale": "affects 301 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 301,
    "affected_pages_previous": 728
   },
   "frequency": {
    "instances": 11254,
    "pages_affected": 301,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 301 of 833 scanned pages (11254 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r111",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r111 (WCAG 2.5.5).",
   "actual_behavior": "Target size is at least 44×44 CSS pixels (Enhanced). Detected by Siteimprove Alfa rule sia-r111 on 301 of 833 scanned pages (11254 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/oeeo/policies/index.html",
    "https://www.cdc.gov/creutzfeldt-jakob/about/index.html",
    "https://www.cdc.gov/continuing-education/php/types-of-ce/index.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/oeeo/policies/index.html",
     "count": 1
    },
    {
     "pattern": "/creutzfeldt-jakob/about/index.html",
     "count": 1
    },
    {
     "pattern": "/continuing-education/php/types-of-ce/index.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-646b1e0b",
   "fingerprint": "afad441e",
   "rule_id": "sia-r66",
   "rule_label": "Text has enhanced contrast",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "1.4.6",
   "wcag_name": "Contrast (Enhanced)",
   "wcag_level": "AAA",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.x AAA",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r66",
   "severity": "Moderate",
   "priority": "p2",
   "confidence": "high",
   "rationale": "affects 281 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 281,
    "affected_pages_previous": 619
   },
   "frequency": {
    "instances": 11092,
    "pages_affected": 281,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "summary": "Text has enhanced contrast (WCAG 1.4.6)",
   "description": "Text has enhanced contrast. Detected by Siteimprove Alfa rule sia-r66 on 281 of 833 scanned pages (11092 instances).",
   "remediation_tip": "Increase text contrast to meet WCAG AAA (7:1).",
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r66",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r66 (WCAG 1.4.6).",
   "actual_behavior": "Text has enhanced contrast. Detected by Siteimprove Alfa rule sia-r66 on 281 of 833 scanned pages (11092 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/oeeo/policies/index.html",
    "https://www.cdc.gov/creutzfeldt-jakob/about/index.html",
    "https://www.cdc.gov/continuing-education/php/types-of-ce/index.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/oeeo/policies/index.html",
     "count": 1
    },
    {
     "pattern": "/creutzfeldt-jakob/about/index.html",
     "count": 1
    },
    {
     "pattern": "/continuing-education/php/types-of-ce/index.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-c18be945",
   "fingerprint": "8634e2fd",
   "rule_id": "sia-r57",
   "rule_label": "Scrolling content can be accessed by keyboard",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r57",
   "severity": "Moderate",
   "priority": "p2",
   "confidence": "high",
   "rationale": "affects 270 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 270,
    "affected_pages_previous": 528
   },
   "frequency": {
    "instances": 4689,
    "pages_affected": 270,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 270 of 833 scanned pages (4689 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r57",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r57.",
   "actual_behavior": "Scrolling content can be accessed by keyboard. Detected by Siteimprove Alfa rule sia-r57 on 270 of 833 scanned pages (4689 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/oeeo/policies/index.html",
    "https://www.cdc.gov/creutzfeldt-jakob/about/index.html",
    "https://www.cdc.gov/continuing-education/php/types-of-ce/index.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/oeeo/policies/index.html",
     "count": 1
    },
    {
     "pattern": "/creutzfeldt-jakob/about/index.html",
     "count": 1
    },
    {
     "pattern": "/continuing-education/php/types-of-ce/index.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-e05344b9",
   "fingerprint": "9d7a222a",
   "rule_id": "sia-r18",
   "rule_label": "aria attribute is permitted for element role",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r18",
   "severity": "Moderate",
   "priority": "p2",
   "confidence": "high",
   "rationale": "affects 226 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 226,
    "affected_pages_previous": 365
   },
   "frequency": {
    "instances": 245,
    "pages_affected": 226,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 226 of 833 scanned pages (245 instances).",
   "remediation_tip": "Only use ARIA states/properties that are allowed on this element/role.",
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r18",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r18.",
   "actual_behavior": "aria attribute is permitted for element role. Detected by Siteimprove Alfa rule sia-r18 on 226 of 833 scanned pages (245 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/oeeo/policies/index.html",
    "https://www.cdc.gov/creutzfeldt-jakob/about/index.html",
    "https://www.cdc.gov/continuing-education/php/types-of-ce/index.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/oeeo/policies/index.html",
     "count": 1
    },
    {
     "pattern": "/creutzfeldt-jakob/about/index.html",
     "count": 1
    },
    {
     "pattern": "/continuing-education/php/types-of-ce/index.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-f7e99f4b",
   "fingerprint": "863d1000",
   "rule_id": "sia-r69",
   "rule_label": "Text has sufficient color contrast (Enhanced)",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "1.4.3",
   "wcag_name": "Contrast (Minimum)",
   "wcag_level": "AA",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 AA",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r69",
   "severity": "Moderate",
   "priority": "p2",
   "confidence": "high",
   "rationale": "affects 151 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 151,
    "affected_pages_previous": 244
   },
   "frequency": {
    "instances": 823,
    "pages_affected": 151,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 151 of 833 scanned pages (823 instances).",
   "remediation_tip": "Increase text contrast to meet WCAG AA (4.5:1, or 3:1 for large text).",
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r69",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r69 (WCAG 1.4.3).",
   "actual_behavior": "Text has sufficient color contrast (Enhanced). Detected by Siteimprove Alfa rule sia-r69 on 151 of 833 scanned pages (823 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/oeeo/policies/index.html",
    "https://www.cdc.gov/continuing-education/php/types-of-ce/index.html",
    "https://www.cdc.gov/pef/php/about/index.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/oeeo/policies/index.html",
     "count": 1
    },
    {
     "pattern": "/continuing-education/php/types-of-ce/index.html",
     "count": 1
    },
    {
     "pattern": "/pef/php/about/index.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "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%)."
   }
  },
  {
   "finding_id": "VS-d25f622d",
   "fingerprint": "98ff321a",
   "rule_id": "heading-order",
   "rule_label": "Heading levels should only increase by one",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/heading-order?application=axeAPI",
   "severity": "Moderate",
   "priority": "p2",
   "confidence": "high",
   "rationale": "affects 134 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 134,
    "affected_pages_previous": 880
   },
   "frequency": {
    "instances": 182,
    "pages_affected": 134,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 134 of 833 scanned pages (182 instances).",
   "remediation_tip": "Use heading levels in order (h1 → h2 → h3) without skipping; structure, not size.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/heading-order?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule heading-order.",
   "actual_behavior": "Heading levels should only increase by one. Detected by axe-core rule heading-order on 134 of 833 scanned pages (182 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/issues/2019/2019_TOC.htm",
    "https://www.cdc.gov/mmwr/volumes/75/wr/mm7509a1.htm",
    "https://www.cdc.gov/mmwr/preview/index94.html"
   ],
   "html_fragments": [
    {
     "fingerprint": "e9041384",
     "html": "<h3><a id=\"December\" class=\"onThisPageAnchor\" title=\"December\" name=\"December\"></a>December</h3>",
     "selectors": [
      "h3:nth-child(5)"
     ]
    },
    {
     "fingerprint": "7157f66b",
     "html": "<h3><strong>Summary</strong></h3>",
     "selectors": [
      ".col-md-9 > h3"
     ]
    },
    {
     "fingerprint": "4bd6b3b0",
     "html": "<h5>Altmetric:</h5>",
     "selectors": [
      ".bg-white.card-body > h5"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 7
    },
    {
     "pattern": "/pcd/issues/{id}/{id}_TOC.htm",
     "count": 1
    },
    {
     "pattern": "/mmwr/volumes/{id}/wr/mm7509a1.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-04a9d28c",
   "fingerprint": "02cfba82",
   "rule_id": "presentational-attr",
   "rule_label": "Presentational attribute (use CSS)",
   "engine": "deprecated-html",
   "tool": "deprecated-html",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "rule_url": null,
   "severity": "Moderate",
   "priority": "p2",
   "confidence": "high",
   "rationale": "affects 126 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 126,
    "affected_pages_previous": 80
   },
   "frequency": {
    "instances": 13351,
    "pages_affected": 126,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "summary": "Presentational attribute (use CSS) (WCAG criterion undetermined)",
   "description": "Presentational attribute (use CSS). Detected by deprecated-html rule presentational-attr on 126 of 833 scanned pages (13351 instances).",
   "remediation_tip": null,
   "suggested_fix": "Not captured by automated scan — requires manual testing.",
   "expected_behavior": "Element passes deprecated-html rule presentational-attr.",
   "actual_behavior": "Presentational attribute (use CSS). Detected by deprecated-html rule presentational-attr on 126 of 833 scanned pages (13351 instances).",
   "testing_environment": "Automated: deprecated-html, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/issues/2005/nov/cover.htm",
    "https://www.cdc.gov/mmwr/volumes/75/wr/mm7509a1.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00050021.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "459cc323",
     "html": "<body bgcolor=\"#ffffff\" leftmargin=\"0\" topmargin=\"0\" marginheight=\"0\" marginwidth=\"0\" background=\"../../../images/bkgnd.gif\" class=\" dmat-load-complete\">\n\n<!--webbot bot=\"Include\" U-Include=\"../../../",
     "selectors": [
      "body"
     ]
    },
    {
     "fingerprint": "1c85ed1c",
     "html": "<table border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n  <tbody><tr>\n    <td colspan=\"7\" bgcolor=\"#000099\"><a href=\"#content_area\"><img src=\"http://www.cdc.gov/navimages/nav01.gif\" border=\"0\"",
     "selectors": [
      "table"
     ]
    },
    {
     "fingerprint": "8a75f168",
     "html": "<td colspan=\"7\" bgcolor=\"#000099\"><a href=\"#content_area\"><img src=\"http://www.cdc.gov/navimages/nav01.gif\" border=\"0\" alt=\"Skip Navigation Links\" width=\"595\" height=\"1\"></a></td>",
     "selectors": [
      "td"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 14
    },
    {
     "pattern": "/pcd/issues/{id}/nov/cover.htm",
     "count": 1
    },
    {
     "pattern": "/mmwr/volumes/{id}/wr/mm7509a1.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-d5d82446",
   "fingerprint": "3627341e",
   "rule_id": "landmark-one-main",
   "rule_label": "Document should have one main landmark",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/landmark-one-main?application=axeAPI",
   "severity": "Moderate",
   "priority": "p2",
   "confidence": "high",
   "rationale": "affects 105 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 105,
    "affected_pages_previous": 799
   },
   "frequency": {
    "instances": 105,
    "pages_affected": 105,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 105 of 833 scanned pages (105 instances).",
   "remediation_tip": "Each page should have exactly one <main> landmark.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/landmark-one-main?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule landmark-one-main.",
   "actual_behavior": "Document should have one main landmark. Detected by axe-core rule landmark-one-main on 105 of 833 scanned pages (105 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/issues/2005/nov/cover.htm",
    "https://www.cdc.gov/mmwr/preview/index94.html",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00050021.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "3e866d4c",
     "html": "<html>",
     "selectors": [
      "html"
     ]
    },
    {
     "fingerprint": "788ecee3",
     "html": "<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">",
     "selectors": [
      "html"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 18
    },
    {
     "pattern": "/pcd/issues/{id}/nov/cover.htm",
     "count": 1
    },
    {
     "pattern": "/mmwr/preview/index94.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-fa44f293",
   "fingerprint": "a01b2a6c",
   "rule_id": "page-has-heading-one",
   "rule_label": "Page should contain a level-one heading",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/page-has-heading-one?application=axeAPI",
   "severity": "Moderate",
   "priority": "p2",
   "confidence": "high",
   "rationale": "Moderate severity on 93 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 93,
    "affected_pages_previous": 251
   },
   "frequency": {
    "instances": 93,
    "pages_affected": 93,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 93 of 833 scanned pages (93 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/page-has-heading-one?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule page-has-heading-one.",
   "actual_behavior": "Page should contain a level-one heading. Detected by axe-core rule page-has-heading-one on 93 of 833 scanned pages (93 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/yellow-fever/index.html",
    "https://www.cdc.gov/",
    "https://www.cdc.gov/family-health-history/index.html"
   ],
   "html_fragments": [
    {
     "fingerprint": "e187bab4",
     "html": "<html lang=\"en-us\" class=\"cdc-theme-cdc cdc-page-type--home\" style=\"--mobile-header-offset: 0px;\">",
     "selectors": [
      "html"
     ]
    },
    {
     "fingerprint": "3ce596f7",
     "html": "<html lang=\"en-us\" class=\"cdc-theme-cdc cdc-root-home cdc-page-type--2024home\">",
     "selectors": [
      "html"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/yellow-fever/index.html",
     "count": 1
    },
    {
     "pattern": "/",
     "count": 1
    },
    {
     "pattern": "/family-health-history/index.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-91d2294a",
   "fingerprint": "648c7ef8",
   "rule_id": "font-element",
   "rule_label": "Obsolete <font> element (use CSS)",
   "engine": "deprecated-html",
   "tool": "deprecated-html",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "rule_url": null,
   "severity": "Moderate",
   "priority": "p2",
   "confidence": "high",
   "rationale": "Moderate severity on 79 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 79,
    "affected_pages_previous": 57
   },
   "frequency": {
    "instances": 623,
    "pages_affected": 79,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "summary": "Obsolete <font> element (use CSS) (WCAG criterion undetermined)",
   "description": "Obsolete <font> element (use CSS). Detected by deprecated-html rule font-element on 79 of 833 scanned pages (623 instances).",
   "remediation_tip": null,
   "suggested_fix": "Not captured by automated scan — requires manual testing.",
   "expected_behavior": "Element passes deprecated-html rule font-element.",
   "actual_behavior": "Obsolete <font> element (use CSS). Detected by deprecated-html rule font-element on 79 of 833 scanned pages (623 instances).",
   "testing_environment": "Automated: deprecated-html, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00050021.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001276.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00014786.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "cae7b077",
     "html": "<font size=\"3\" face=\"Arial, Helvetica, Verdana\" color=\"#FFFFFF\"><i><b>Weekly</b></i></font>",
     "selectors": [
      "font"
     ]
    },
    {
     "fingerprint": "bf06f619",
     "html": "<font size=\"2\" face=\"Arial, Helvetica, Verdana\" color=\"#333333\"><b>November 28, 1997 / 46(47);1118-1120</b></font>",
     "selectors": [
      "font"
     ]
    },
    {
     "fingerprint": "ded6b5b6",
     "html": "<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>",
     "selectors": [
      "font"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 24
    },
    {
     "pattern": "/pcd/issues/{id}/mar/cover.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-7845739d",
   "fingerprint": "4df079ac",
   "rule_id": "big-element",
   "rule_label": "Obsolete <big> element (use CSS)",
   "engine": "deprecated-html",
   "tool": "deprecated-html",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "rule_url": null,
   "severity": "Moderate",
   "priority": "p2",
   "confidence": "high",
   "rationale": "Moderate severity on 69 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 69,
    "affected_pages_previous": 41
   },
   "frequency": {
    "instances": 94,
    "pages_affected": 69,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "summary": "Obsolete <big> element (use CSS) (WCAG criterion undetermined)",
   "description": "Obsolete <big> element (use CSS). Detected by deprecated-html rule big-element on 69 of 833 scanned pages (94 instances).",
   "remediation_tip": null,
   "suggested_fix": "Not captured by automated scan — requires manual testing.",
   "expected_behavior": "Element passes deprecated-html rule big-element.",
   "actual_behavior": "Obsolete <big> element (use CSS). Detected by deprecated-html rule big-element on 69 of 833 scanned pages (94 instances).",
   "testing_environment": "Automated: deprecated-html, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00050021.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00001276.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00014786.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "6608d3b8",
     "html": "<big><strong>Disclaimer</strong></big>",
     "selectors": [
      "big"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 25
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-179ad9b3",
   "fingerprint": "0e001fcc",
   "rule_id": "sia-r113",
   "rule_label": "Target size is at least 24×24 CSS pixels or has spacing (Minimum)",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "2.5.8",
   "wcag_name": "Target Size (Minimum)",
   "wcag_level": "AA",
   "wcag_version": "2.2",
   "wcag_category": "WCAG 2.2 AA",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r113",
   "severity": "Moderate",
   "priority": "p2",
   "confidence": "high",
   "rationale": "Moderate severity on 64 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 64,
    "affected_pages_previous": 265
   },
   "frequency": {
    "instances": 554,
    "pages_affected": 64,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 64 of 833 scanned pages (554 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r113",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r113 (WCAG 2.5.8).",
   "actual_behavior": "Target size is at least 24×24 CSS pixels or has spacing (Minimum). Detected by Siteimprove Alfa rule sia-r113 on 64 of 833 scanned pages (554 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/diabetes/php/data-research/index-1.html",
    "https://www.cdc.gov/mmwr/preview/index94.html",
    "https://www.cdc.gov/other/nondiscrimination.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 7
    },
    {
     "pattern": "/diabetes/php/data-research/index-1.html",
     "count": 1
    },
    {
     "pattern": "/mmwr/preview/index94.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "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%)."
   }
  },
  {
   "finding_id": "VS-fbf54eba",
   "fingerprint": "773d6316",
   "rule_id": "sia-r74",
   "rule_label": "Link is distinguishable without relying on color",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "1.4.8",
   "wcag_name": "Visual Presentation",
   "wcag_level": "AAA",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.x AAA",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r74",
   "severity": "Moderate",
   "priority": "p2",
   "confidence": "high",
   "rationale": "Moderate severity on 63 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 63,
    "affected_pages_previous": 324
   },
   "frequency": {
    "instances": 1254,
    "pages_affected": 63,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 63 of 833 scanned pages (1254 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r74",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r74 (WCAG 1.4.8).",
   "actual_behavior": "Link is distinguishable without relying on color. Detected by Siteimprove Alfa rule sia-r74 on 63 of 833 scanned pages (1254 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/",
    "https://www.cdc.gov/foia",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00014786.htm"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 8
    },
    {
     "pattern": "/",
     "count": 1
    },
    {
     "pattern": "/foia",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-d6097011",
   "fingerprint": "b46c5395",
   "rule_id": "sia-r68",
   "rule_label": "Presentational children of an element are not focusable",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "1.3.1",
   "wcag_name": "Info and Relationships",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r68",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "high",
   "rationale": "Moderate severity on 46 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 46,
    "affected_pages_previous": 65
   },
   "frequency": {
    "instances": 614,
    "pages_affected": 46,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 46 of 833 scanned pages (614 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r68",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r68 (WCAG 1.3.1).",
   "actual_behavior": "Presentational children of an element are not focusable. Detected by Siteimprove Alfa rule sia-r68 on 46 of 833 scanned pages (614 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/preview/index94.html",
    "https://www.cdc.gov/dengue/prevention",
    "https://www.cdc.gov/about/cdc-moving-forward/newcdc-info.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/index94.html",
     "count": 1
    },
    {
     "pattern": "/dengue/prevention",
     "count": 1
    },
    {
     "pattern": "/about/cdc-moving-forward/newcdc-info.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "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%)."
   }
  },
  {
   "finding_id": "VS-2208081b",
   "fingerprint": "40bbca09",
   "rule_id": "sia-r73",
   "rule_label": "Text has minimum contrast ratio of 4.5:1",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "1.4.8",
   "wcag_name": "Visual Presentation",
   "wcag_level": "AAA",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.x AAA",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r73",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "high",
   "rationale": "Moderate severity on 46 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 46,
    "affected_pages_previous": 241
   },
   "frequency": {
    "instances": 2446,
    "pages_affected": 46,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 46 of 833 scanned pages (2446 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r73",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r73 (WCAG 1.4.8).",
   "actual_behavior": "Text has minimum contrast ratio of 4.5:1. Detected by Siteimprove Alfa rule sia-r73 on 46 of 833 scanned pages (2446 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/preview/index94.html",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00014786.htm",
    "https://www.cdc.gov/pcd/issues/2005/nov/05_0075.htm"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 10
    },
    {
     "pattern": "/mmwr/preview/index94.html",
     "count": 1
    },
    {
     "pattern": "/pcd/issues/{id}/nov/{id}_0075.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-f054f4a4",
   "fingerprint": "5fa3b5a6",
   "rule_id": "sia-r53",
   "rule_label": "Headings are structured hierarchically",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r53",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "high",
   "rationale": "Moderate severity on 43 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 43,
    "affected_pages_previous": 242
   },
   "frequency": {
    "instances": 62,
    "pages_affected": 43,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "summary": "Headings are structured hierarchically (WCAG criterion undetermined)",
   "description": "Headings are structured hierarchically. Detected by Siteimprove Alfa rule sia-r53 on 43 of 833 scanned pages (62 instances).",
   "remediation_tip": "Use headings in a logical, non-skipping order.",
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r53",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r53.",
   "actual_behavior": "Headings are structured hierarchically. Detected by Siteimprove Alfa rule sia-r53 on 43 of 833 scanned pages (62 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/preview/index94.html",
    "https://www.cdc.gov/pcd/issues/2005/nov/05_0075.htm",
    "https://www.cdc.gov/spanish/acercacdc/director.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 6
    },
    {
     "pattern": "/mmwr/preview/index94.html",
     "count": 1
    },
    {
     "pattern": "/pcd/issues/{id}/nov/{id}_0075.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-7118fead",
   "fingerprint": "0d932ac9",
   "rule_id": "sia-r61",
   "rule_label": "Form field label is visible",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r61",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "high",
   "rationale": "Moderate severity on 41 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 41,
    "affected_pages_previous": 99
   },
   "frequency": {
    "instances": 41,
    "pages_affected": 41,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "summary": "Form field label is visible (WCAG criterion undetermined)",
   "description": "Form field label is visible. Detected by Siteimprove Alfa rule sia-r61 on 41 of 833 scanned pages (41 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r61",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r61.",
   "actual_behavior": "Form field label is visible. Detected by Siteimprove Alfa rule sia-r61 on 41 of 833 scanned pages (41 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/",
    "https://www.cdc.gov/healthy-aging-data/index.html",
    "https://www.cdc.gov/foia"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/",
     "count": 1
    },
    {
     "pattern": "/healthy-aging-data/index.html",
     "count": 1
    },
    {
     "pattern": "/foia",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-f7dba940",
   "fingerprint": "477d8088",
   "rule_id": "sia-r14",
   "rule_label": "Accessible name of link or button matches visible label",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "2.5.3",
   "wcag_name": "Label in Name",
   "wcag_level": "A",
   "wcag_version": "2.1",
   "wcag_category": "WCAG 2.1 A",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r14",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "high",
   "rationale": "Moderate severity on 34 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 34,
    "affected_pages_previous": 72
   },
   "frequency": {
    "instances": 65,
    "pages_affected": 34,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 34 of 833 scanned pages (65 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r14",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r14 (WCAG 2.5.3).",
   "actual_behavior": "Accessible name of link or button matches visible label. Detected by Siteimprove Alfa rule sia-r14 on 34 of 833 scanned pages (65 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/oeeo/policies/index.html",
    "https://www.cdc.gov/creutzfeldt-jakob/about/index.html",
    "https://www.cdc.gov/about/leadership/index.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/oeeo/policies/index.html",
     "count": 1
    },
    {
     "pattern": "/creutzfeldt-jakob/about/index.html",
     "count": 1
    },
    {
     "pattern": "/about/leadership/index.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "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%)."
   }
  },
  {
   "finding_id": "VS-a24eaa8c",
   "fingerprint": "8d462fe1",
   "rule_id": "sia-r2",
   "rule_label": "Image has accessible name",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "1.1.1",
   "wcag_name": "Non-text Content",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r2",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "high",
   "rationale": "Moderate severity on 29 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 29,
    "affected_pages_previous": 161
   },
   "frequency": {
    "instances": 318,
    "pages_affected": 29,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "summary": "Image has accessible name (WCAG 1.1.1)",
   "description": "Image has accessible name. Detected by Siteimprove Alfa rule sia-r2 on 29 of 833 scanned pages (318 instances).",
   "remediation_tip": "Give every <img> an accessible name (alt text), or alt=\"\" if purely decorative.",
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r2",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r2 (WCAG 1.1.1).",
   "actual_behavior": "Image has accessible name. Detected by Siteimprove Alfa rule sia-r2 on 29 of 833 scanned pages (318 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00014786.htm",
    "https://www.cdc.gov/pcd/issues/2005/nov/05_0075.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00033013.htm"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 17
    },
    {
     "pattern": "/pcd/issues/{id}/nov/{id}_0075.htm",
     "count": 1
    },
    {
     "pattern": "/mmwr/volumes/{id}/wr/mm6620a5.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "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%)."
   }
  },
  {
   "finding_id": "VS-3d033717",
   "fingerprint": "1718042b",
   "rule_id": "sia-r70",
   "rule_label": "No obsolete or deprecated elements are used",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r70",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "high",
   "rationale": "Moderate severity on 29 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 29,
    "affected_pages_previous": 190
   },
   "frequency": {
    "instances": 29,
    "pages_affected": 29,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 29 of 833 scanned pages (29 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r70",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r70.",
   "actual_behavior": "No obsolete or deprecated elements are used. Detected by Siteimprove Alfa rule sia-r70 on 29 of 833 scanned pages (29 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00014786.htm",
    "https://www.cdc.gov/pcd/issues/2005/nov/05_0075.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00033013.htm"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 17
    },
    {
     "pattern": "/pcd/issues/{id}/nov/{id}_0075.htm",
     "count": 1
    },
    {
     "pattern": "/pcd/issues/{id}/nov/{id}_0029.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-7a0e5645",
   "fingerprint": "15da996e",
   "rule_id": "sia-r4",
   "rule_label": "Document has a valid lang attribute",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "3.1.1",
   "wcag_name": "Language of Page",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r4",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "high",
   "rationale": "Moderate severity on 28 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 28,
    "affected_pages_previous": 157
   },
   "frequency": {
    "instances": 28,
    "pages_affected": 28,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 28 of 833 scanned pages (28 instances).",
   "remediation_tip": "Add a valid lang attribute to <html>.",
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r4",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r4 (WCAG 3.1.1).",
   "actual_behavior": "Document has a valid lang attribute. Detected by Siteimprove Alfa rule sia-r4 on 28 of 833 scanned pages (28 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00014786.htm",
    "https://www.cdc.gov/pcd/issues/2005/nov/05_0075.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00033013.htm"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 18
    },
    {
     "pattern": "/pcd/issues/{id}/nov/{id}_0075.htm",
     "count": 1
    },
    {
     "pattern": "/pcd/issues/{id}/nov/{id}_0029.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "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%)."
   }
  },
  {
   "finding_id": "VS-20060f39",
   "fingerprint": "488b5ac8",
   "rule_id": "center-element",
   "rule_label": "Obsolete <center> element (use CSS)",
   "engine": "deprecated-html",
   "tool": "deprecated-html",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "rule_url": null,
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "high",
   "rationale": "Moderate severity on 25 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 25,
    "affected_pages_previous": 15
   },
   "frequency": {
    "instances": 50,
    "pages_affected": 25,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "summary": "Obsolete <center> element (use CSS) (WCAG criterion undetermined)",
   "description": "Obsolete <center> element (use CSS). Detected by deprecated-html rule center-element on 25 of 833 scanned pages (50 instances).",
   "remediation_tip": null,
   "suggested_fix": "Not captured by automated scan — requires manual testing.",
   "expected_behavior": "Element passes deprecated-html rule center-element.",
   "actual_behavior": "Obsolete <center> element (use CSS). Detected by deprecated-html rule center-element on 25 of 833 scanned pages (50 instances).",
   "testing_environment": "Automated: deprecated-html, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/issues/2005/nov/cover.htm",
    "https://www.cdc.gov/pcd/issues/2005/nov/05_0076_zht.htm",
    "https://www.cdc.gov/pcd/issues/2005/nov/05_0075.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "7b2b52fe",
     "html": "<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",
     "selectors": [
      "center"
     ]
    },
    {
     "fingerprint": "5a6e6a0f",
     "html": "<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\" ",
     "selectors": [
      "center"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/pcd/issues/{id}/oct/toc.htm",
     "count": 2
    },
    {
     "pattern": "/pcd/issues/{id}/jan/cover.htm",
     "count": 2
    },
    {
     "pattern": "/pcd/issues/{id}/apr/cover.htm",
     "count": 2
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-28ebd979",
   "fingerprint": "032345cc",
   "rule_id": "sia-r11",
   "rule_label": "Link has accessible name",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "2.4.4",
   "wcag_name": "Link Purpose (In Context)",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r11",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "high",
   "rationale": "Moderate severity on 11 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 11,
    "affected_pages_previous": 69
   },
   "frequency": {
    "instances": 19,
    "pages_affected": 11,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "summary": "Link has accessible name (WCAG 2.4.4)",
   "description": "Link has accessible name. Detected by Siteimprove Alfa rule sia-r11 on 11 of 833 scanned pages (19 instances).",
   "remediation_tip": "Give the link an accessible name via text content or aria-label.",
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r11",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r11 (WCAG 2.4.4).",
   "actual_behavior": "Link has accessible name. Detected by Siteimprove Alfa rule sia-r11 on 11 of 833 scanned pages (19 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/issues/2005/nov/05_0075.htm",
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6620a5.htm",
    "https://www.cdc.gov/lyme/about/index.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/pcd/issues/{id}/nov/{id}_0075.htm",
     "count": 1
    },
    {
     "pattern": "/mmwr/volumes/{id}/wr/mm6620a5.htm",
     "count": 1
    },
    {
     "pattern": "/lyme/about/index.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "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%)."
   }
  },
  {
   "finding_id": "VS-2cd767ca",
   "fingerprint": "3123e4f3",
   "rule_id": "sia-r78",
   "rule_label": "Table header has scope",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r78",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "high",
   "rationale": "Moderate severity on 10 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 10,
    "affected_pages_previous": 48
   },
   "frequency": {
    "instances": 28,
    "pages_affected": 10,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "summary": "Table header has scope (WCAG criterion undetermined)",
   "description": "Table header has scope. Detected by Siteimprove Alfa rule sia-r78 on 10 of 833 scanned pages (28 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r78",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r78.",
   "actual_behavior": "Table header has scope. Detected by Siteimprove Alfa rule sia-r78 on 10 of 833 scanned pages (28 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/rss",
    "https://www.cdc.gov/mmwr/volumes/66/wr/mm6620a5.htm",
    "https://www.cdc.gov/global-measles-vaccination/site.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/rss",
     "count": 1
    },
    {
     "pattern": "/mmwr/volumes/{id}/wr/mm6620a5.htm",
     "count": 1
    },
    {
     "pattern": "/global-measles-vaccination/site.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-3fb891c5",
   "fingerprint": "aaf9f07a",
   "rule_id": "sia-r60",
   "rule_label": "Input purpose can be determined",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r60",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "medium",
   "rationale": "Moderate severity on 6 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 6,
    "affected_pages_previous": 10
   },
   "frequency": {
    "instances": 11,
    "pages_affected": 6,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "summary": "Input purpose can be determined (WCAG criterion undetermined)",
   "description": "Input purpose can be determined. Detected by Siteimprove Alfa rule sia-r60 on 6 of 833 scanned pages (11 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r60",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r60.",
   "actual_behavior": "Input purpose can be determined. Detected by Siteimprove Alfa rule sia-r60 on 6 of 833 scanned pages (11 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/preview/index94.html",
    "https://www.cdc.gov/niosh/ppe/about/contact.html",
    "https://www.cdc.gov/other/accessibility.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/index94.html",
     "count": 1
    },
    {
     "pattern": "/niosh/ppe/about/contact.html",
     "count": 1
    },
    {
     "pattern": "/other/accessibility.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-388b5438",
   "fingerprint": "e21585c3",
   "rule_id": "sia-r80",
   "rule_label": "Scrollable element is keyboard accessible",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "1.4.8",
   "wcag_name": "Visual Presentation",
   "wcag_level": "AAA",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.x AAA",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r80",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "medium",
   "rationale": "Moderate severity on 5 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 5,
    "affected_pages_previous": 41
   },
   "frequency": {
    "instances": 182,
    "pages_affected": 5,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "summary": "Scrollable element is keyboard accessible (WCAG 1.4.8)",
   "description": "Scrollable element is keyboard accessible. Detected by Siteimprove Alfa rule sia-r80 on 5 of 833 scanned pages (182 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r80",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r80 (WCAG 1.4.8).",
   "actual_behavior": "Scrollable element is keyboard accessible. Detected by Siteimprove Alfa rule sia-r80 on 5 of 833 scanned pages (182 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/",
    "https://www.cdc.gov/pcd/issues/2023/2023_TOC.htm",
    "https://www.cdc.gov/spanish"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/pcd/issues/{id}/{id}_TOC.htm",
     "count": 2
    },
    {
     "pattern": "/",
     "count": 1
    },
    {
     "pattern": "/spanish",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-a48e6078",
   "fingerprint": "2ccef0fa",
   "rule_id": "sia-r8",
   "rule_label": "Form field has accessible name",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "4.1.2",
   "wcag_name": "Name, Role, Value",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r8",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "medium",
   "rationale": "Moderate severity on 4 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 4,
    "affected_pages_previous": 34
   },
   "frequency": {
    "instances": 5,
    "pages_affected": 4,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "summary": "Form field has accessible name (WCAG 4.1.2)",
   "description": "Form field has accessible name. Detected by Siteimprove Alfa rule sia-r8 on 4 of 833 scanned pages (5 instances).",
   "remediation_tip": "Associate the form field with a label.",
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r8",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r8 (WCAG 4.1.2).",
   "actual_behavior": "Form field has accessible name. Detected by Siteimprove Alfa rule sia-r8 on 4 of 833 scanned pages (5 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/preview/index94.html",
    "https://www.cdc.gov/overdose-prevention/data-research/facts-stats/dose-dashboard-nonfatal-discharge-data.html",
    "https://www.cdc.gov/mmwr/preview/index86.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/index94.html",
     "count": 1
    },
    {
     "pattern": "/overdose-prevention/data-research/facts-stats/dose-dashboard-nonfatal-discharge-data.html",
     "count": 1
    },
    {
     "pattern": "/mmwr/preview/index86.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "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%)."
   }
  },
  {
   "finding_id": "VS-f2542d87",
   "fingerprint": "9cf75a1e",
   "rule_id": "sia-r79",
   "rule_label": "Duplicate role landmark is labeled",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r79",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "medium",
   "rationale": "Moderate severity on 4 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 4,
    "affected_pages_previous": 15
   },
   "frequency": {
    "instances": 6,
    "pages_affected": 4,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "summary": "Duplicate role landmark is labeled (WCAG criterion undetermined)",
   "description": "Duplicate role landmark is labeled. Detected by Siteimprove Alfa rule sia-r79 on 4 of 833 scanned pages (6 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r79",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r79.",
   "actual_behavior": "Duplicate role landmark is labeled. Detected by Siteimprove Alfa rule sia-r79 on 4 of 833 scanned pages (6 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00045974.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00046330.htm",
    "https://www.cdc.gov/mmwr/preview/mmwrhtml/00030693.htm"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
     "count": 4
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-424cced9",
   "fingerprint": "921ab302",
   "rule_id": "landmark-contentinfo-is-top-level",
   "rule_label": "Contentinfo landmark should not be contained in another landmark",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/landmark-contentinfo-is-top-level?application=axeAPI",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "Moderate severity on 2 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 2,
    "affected_pages_previous": 158
   },
   "frequency": {
    "instances": 2,
    "pages_affected": 2,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 2 of 833 scanned pages (2 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/landmark-contentinfo-is-top-level?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule landmark-contentinfo-is-top-level.",
   "actual_behavior": "Contentinfo landmark should not be contained in another landmark. Detected by axe-core rule landmark-contentinfo-is-top-level on 2 of 833 scanned pages (2 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/",
    "https://www.cdc.gov/spanish"
   ],
   "html_fragments": [
    {
     "fingerprint": "a5161c22",
     "html": "<footer>",
     "selectors": [
      ".cdc-footer > footer"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/",
     "count": 1
    },
    {
     "pattern": "/spanish",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-054101da",
   "fingerprint": "4e882266",
   "rule_id": "landmark-no-duplicate-banner",
   "rule_label": "Document should not have more than one banner landmark",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/landmark-no-duplicate-banner?application=axeAPI",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "Moderate severity on 2 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 2,
    "affected_pages_previous": 158
   },
   "frequency": {
    "instances": 2,
    "pages_affected": 2,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 2 of 833 scanned pages (2 instances).",
   "remediation_tip": "Use only one banner landmark (<header> at the top level) per page.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/landmark-no-duplicate-banner?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule landmark-no-duplicate-banner.",
   "actual_behavior": "Document should not have more than one banner landmark. Detected by axe-core rule landmark-no-duplicate-banner on 2 of 833 scanned pages (2 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/",
    "https://www.cdc.gov/spanish"
   ],
   "html_fragments": [
    {
     "fingerprint": "05e0c236",
     "html": "<header class=\"container cdc-header\">",
     "selectors": [
      ".cdc-header"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/",
     "count": 1
    },
    {
     "pattern": "/spanish",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-b465dfd7",
   "fingerprint": "67dd732b",
   "rule_id": "landmark-no-duplicate-contentinfo",
   "rule_label": "Document should not have more than one contentinfo landmark",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/landmark-no-duplicate-contentinfo?application=axeAPI",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "Moderate severity on 2 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 2,
    "affected_pages_previous": 158
   },
   "frequency": {
    "instances": 2,
    "pages_affected": 2,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 2 of 833 scanned pages (2 instances).",
   "remediation_tip": "Use only one contentinfo landmark (<footer> at the top level) per page.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/landmark-no-duplicate-contentinfo?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule landmark-no-duplicate-contentinfo.",
   "actual_behavior": "Document should not have more than one contentinfo landmark. Detected by axe-core rule landmark-no-duplicate-contentinfo on 2 of 833 scanned pages (2 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/",
    "https://www.cdc.gov/spanish"
   ],
   "html_fragments": [
    {
     "fingerprint": "504b830e",
     "html": "<footer class=\"container cdc-footer noindex\" role=\"contentinfo\">",
     "selectors": [
      ".cdc-footer"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/",
     "count": 1
    },
    {
     "pattern": "/spanish",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-4edfe386",
   "fingerprint": "a3d8ec5a",
   "rule_id": "skip-link",
   "rule_label": "The skip-link target should exist and be focusable",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/skip-link?application=axeAPI",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "Moderate severity on 2 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 2,
    "affected_pages_previous": 172
   },
   "frequency": {
    "instances": 2,
    "pages_affected": 2,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 2 of 833 scanned pages (2 instances).",
   "remediation_tip": "Ensure the skip link targets a real, focusable element (its href must match an existing id).",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/skip-link?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule skip-link.",
   "actual_behavior": "The skip-link target should exist and be focusable. Detected by axe-core rule skip-link on 2 of 833 scanned pages (2 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/",
    "https://www.cdc.gov/spanish"
   ],
   "html_fragments": [
    {
     "fingerprint": "bebb4770",
     "html": "<a class=\"skippy visually-hidden-focusable\" href=\"#headerSearch\" tabindex=\"2\">Skip to search</a>",
     "selectors": [
      "a[href$=\"#headerSearch\"]"
     ]
    },
    {
     "fingerprint": "3f1ee726",
     "html": "<a class=\"skippy visually-hidden-focusable\" href=\"#headerSearch\" tabindex=\"2\">Ir a la búsqueda</a>",
     "selectors": [
      "a[href$=\"#headerSearch\"]"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/",
     "count": 1
    },
    {
     "pattern": "/spanish",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-3d3b2245",
   "fingerprint": "69d9719a",
   "rule_id": "sia-r40",
   "rule_label": "Tables are used for tabular data, not layout",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Undetermined",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r40",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "Moderate severity on 2 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 2,
    "affected_pages_previous": 5
   },
   "frequency": {
    "instances": 3,
    "pages_affected": 2,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 2 of 833 scanned pages (3 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r40",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r40.",
   "actual_behavior": "Tables are used for tabular data, not layout. Detected by Siteimprove Alfa rule sia-r40 on 2 of 833 scanned pages (3 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/tourette-syndrome/about/index.html",
    "https://www.cdc.gov/measles/data-research"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/tourette-syndrome/about/index.html",
     "count": 1
    },
    {
     "pattern": "/measles/data-research",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-3f067795",
   "fingerprint": "f9bf7824",
   "rule_id": "sia-r77",
   "rule_label": "Table cell has header",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "1.3.1",
   "wcag_name": "Info and Relationships",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r77",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "Moderate severity on 1 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 1,
    "affected_pages_previous": 8
   },
   "frequency": {
    "instances": 17,
    "pages_affected": 1,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "summary": "Table cell has header (WCAG 1.3.1)",
   "description": "Table cell has header. Detected by Siteimprove Alfa rule sia-r77 on 1 of 833 scanned pages (17 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r77",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r77 (WCAG 1.3.1).",
   "actual_behavior": "Table cell has header. Detected by Siteimprove Alfa rule sia-r77 on 1 of 833 scanned pages (17 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/measles/data-research"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/measles/data-research",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "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%)."
   }
  },
  {
   "finding_id": "VS-3c632d31",
   "fingerprint": "7d010b8c",
   "rule_id": "sia-r64",
   "rule_label": "Element has required owned roles",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "1.3.1",
   "wcag_name": "Info and Relationships",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r64",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "Moderate severity on 1 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 1,
    "affected_pages_previous": 13
   },
   "frequency": {
    "instances": 1,
    "pages_affected": 1,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "summary": "Element has required owned roles (WCAG 1.3.1)",
   "description": "Element has required owned roles. Detected by Siteimprove Alfa rule sia-r64 on 1 of 833 scanned pages (1 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r64",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r64 (WCAG 1.3.1).",
   "actual_behavior": "Element has required owned roles. Detected by Siteimprove Alfa rule sia-r64 on 1 of 833 scanned pages (1 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/issues/2025/2025_TOC.htm"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/pcd/issues/{id}/{id}_TOC.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "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%)."
   }
  },
  {
   "finding_id": "VS-efd91fdd",
   "fingerprint": "12434796",
   "rule_id": "sia-r62",
   "rule_label": "Link in text block is visually distinguishable without color",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "1.4.1",
   "wcag_name": "Use of Color",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r62",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "Moderate severity on 1 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 1,
    "affected_pages_previous": 1
   },
   "frequency": {
    "instances": 13,
    "pages_affected": 1,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "summary": "Link in text block is visually distinguishable without color (WCAG 1.4.1)",
   "description": "Link in text block is visually distinguishable without color. Detected by Siteimprove Alfa rule sia-r62 on 1 of 833 scanned pages (13 instances).",
   "remediation_tip": "Make links visually distinguishable from surrounding text (not by color alone).",
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r62",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r62 (WCAG 1.4.1).",
   "actual_behavior": "Link in text block is visually distinguishable without color. Detected by Siteimprove Alfa rule sia-r62 on 1 of 833 scanned pages (13 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/rss"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/rss",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "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%)."
   }
  },
  {
   "finding_id": "VS-a2a3dffb",
   "fingerprint": "54883093",
   "rule_id": "sia-r90",
   "rule_label": "Component with same name serves same purpose",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "4.1.2",
   "wcag_name": "Name, Role, Value",
   "wcag_level": "A",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 A",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r90",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "Moderate severity on 1 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 1,
    "affected_pages_previous": 2
   },
   "frequency": {
    "instances": 1,
    "pages_affected": 1,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 1 of 833 scanned pages (1 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r90",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r90 (WCAG 4.1.2).",
   "actual_behavior": "Component with same name serves same purpose. Detected by Siteimprove Alfa rule sia-r90 on 1 of 833 scanned pages (1 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/measles/data-research"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/measles/data-research",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "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%)."
   }
  },
  {
   "finding_id": "VS-400f3a18",
   "fingerprint": "191f610a",
   "rule_id": "sia-r7",
   "rule_label": "Element with lang attribute has correct language",
   "engine": "alfa",
   "tool": "Siteimprove Alfa",
   "wcag_sc": "3.1.2",
   "wcag_name": "Language of Parts",
   "wcag_level": "AA",
   "wcag_version": "2.0",
   "wcag_category": "WCAG 2.0 AA",
   "rule_url": "https://alfa.siteimprove.com/rules/sia-r7",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "Moderate severity on 1 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 1,
    "affected_pages_previous": 1
   },
   "frequency": {
    "instances": 2,
    "pages_affected": 1,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 833 scanned pages (2 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://alfa.siteimprove.com/rules/sia-r7",
   "expected_behavior": "Element passes Siteimprove Alfa rule sia-r7 (WCAG 3.1.2).",
   "actual_behavior": "Element with lang attribute has correct language. Detected by Siteimprove Alfa rule sia-r7 on 1 of 833 scanned pages (2 instances).",
   "testing_environment": "Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/other/language-assistance.html"
   ],
   "html_fragments": [],
   "url_patterns": [
    {
     "pattern": "/other/language-assistance.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "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%)."
   }
  },
  {
   "finding_id": "VS-0ba8ce9d",
   "fingerprint": "1b1ae391",
   "rule_id": "scope-attr-valid",
   "rule_label": "scope attribute should be used correctly",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/scope-attr-valid?application=axeAPI",
   "severity": "Moderate",
   "priority": "p3",
   "confidence": "low",
   "rationale": "Moderate severity on 1 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 1,
    "affected_pages_previous": 12
   },
   "frequency": {
    "instances": 14,
    "pages_affected": 1,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 1 of 833 scanned pages (14 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/scope-attr-valid?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule scope-attr-valid.",
   "actual_behavior": "scope attribute should be used correctly. Detected by axe-core rule scope-attr-valid on 1 of 833 scanned pages (14 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/issues/2019/18_0498.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "256119c7",
     "html": "<td colspan=\"1\" rowspan=\"1\" scope=\"row\" align=\"left\" valign=\"top\">Hospitals, clinics, WIC locations, federally qualified health centers</td>",
     "selectors": [
      "tr:nth-child(7) > td[scope=\"row\"][align=\"left\"]"
     ]
    },
    {
     "fingerprint": "153e143d",
     "html": "<td colspan=\"1\" rowspan=\"1\" scope=\"row\" align=\"left\" valign=\"top\">Environmental pollution</td>",
     "selectors": [
      "tr:nth-child(8) > td[scope=\"row\"][align=\"left\"]"
     ]
    },
    {
     "fingerprint": "7016c703",
     "html": "<td colspan=\"1\" rowspan=\"1\" scope=\"row\" align=\"left\" valign=\"top\">Demographics of region</td>",
     "selectors": [
      "tr:nth-child(9) > td[scope=\"row\"][align=\"left\"]"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/pcd/issues/{id}/{id}_0498.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-d69fc059",
   "fingerprint": "c827d812",
   "rule_id": "empty-table-header",
   "rule_label": "Table header text should not be empty",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/empty-table-header?application=axeAPI",
   "severity": "Minor",
   "priority": "p4",
   "confidence": "medium",
   "rationale": "Minor severity on 6 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 6,
    "affected_pages_previous": 61
   },
   "frequency": {
    "instances": 15,
    "pages_affected": 6,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 6 of 833 scanned pages (15 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/empty-table-header?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule empty-table-header.",
   "actual_behavior": "Table header text should not be empty. Detected by axe-core rule empty-table-header on 6 of 833 scanned pages (15 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/nors/reports/animal-contact-outbreaks-2017.html",
    "https://www.cdc.gov/pcd/issues/2006/oct/05_0185.htm",
    "https://www.cdc.gov/measles/data-research"
   ],
   "html_fragments": [
    {
     "fingerprint": "e6a9d852",
     "html": "<th scope=\"col\"></th>",
     "selectors": [
      ".cdc_page_element.dfe-block.dfe-block--cdcmodule:nth-child(27) > .dfe-block__inner > .cdc-textblock > .table-responsive > div > .table-bordered.table-hover > .main\\|primary > tr:nth-child(1) > th[scope=\"col\"]:nth-child(1)",
      ".cdc_page_element.dfe-block.dfe-block--cdcmodule:nth-child(28) > .dfe-block__inner > .cdc-textblock > .table-responsive > div > .table-bordered.table-hover > .main\\|primary > tr:nth-child(1) > th[scope=\"col\"]:nth-child(1)",
      ".cdc_page_element.dfe-block.dfe-block--cdcmodule:nth-child(30) > .dfe-block__inner > .cdc-textblock > .table-responsive > div > .table-bordered.table-hover > .main\\|primary > tr:nth-child(1) > th[scope=\"col\"]:nth-child(1)"
     ]
    },
    {
     "fingerprint": "edc22364",
     "html": "<th scope=\"col\" class=\"row1\" rowspan=\"2\" valign=\"top\" align=\"left\">&nbsp;</th>",
     "selectors": [
      ".tablestyle[cellpadding=\"0\"][width=\"100%\"]:nth-child(7) > tbody > tr:nth-child(1) > .row1[rowspan=\"2\"][scope=\"col\"]"
     ]
    },
    {
     "fingerprint": "9ace57c1",
     "html": "<th class=\"us-cases left-border\"></th>",
     "selectors": [
      ".container-box > thead > .section-header > th:nth-child(1)"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/nors/reports/animal-contact-outbreaks-2017.html",
     "count": 1
    },
    {
     "pattern": "/pcd/issues/{id}/oct/{id}_0185.htm",
     "count": 1
    },
    {
     "pattern": "/measles/data-research",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-4fac2f41",
   "fingerprint": "550210da",
   "rule_id": "aria-allowed-role",
   "rule_label": "ARIA role should be appropriate for the element",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/aria-allowed-role?application=axeAPI",
   "severity": "Minor",
   "priority": "p4",
   "confidence": "medium",
   "rationale": "Minor severity on 3 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 3,
    "affected_pages_previous": 144
   },
   "frequency": {
    "instances": 5,
    "pages_affected": 3,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 3 of 833 scanned pages (5 instances).",
   "remediation_tip": "Remove or change the ARIA role — it isn't allowed on this element type.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/aria-allowed-role?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule aria-allowed-role.",
   "actual_behavior": "ARIA role should be appropriate for the element. Detected by axe-core rule aria-allowed-role on 3 of 833 scanned pages (5 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/salmonella/outbreaks/moringa-05-26/index.html",
    "https://www.cdc.gov/vitalsigns/prevent-suicide/index.html",
    "https://www.cdc.gov/listeria/outbreaks/soft-cheese-06-26/investigation.html"
   ],
   "html_fragments": [
    {
     "fingerprint": "95d1f59e",
     "html": "<img src=\"/salmonella/media/images/2026/05/MOGO-brand-Pure-Moringa-Oleifera.png\" alt=\"Mogo moringa\" role=\"presentation\">",
     "selectors": [
      "img[alt=\"Mogo moringa\"]"
     ]
    },
    {
     "fingerprint": "9db06a46",
     "html": "<img decoding=\"async\" class=\"img-fluid\" alt=\"shield icon\" role=\"presentation\" src=\"/vitalsigns/prevent-suicide/images/shield-icon.png?_=63200\">",
     "selectors": [
      ".d-xxl-none.d-xl-block.cdc-viewports:nth-child(3) > .ds-8.card-btn[href$=\"#challenge\"] > .card-p-right.bg-white.card-body > .align-items-center.row > .card-body-left.col > .vs-resize > img[alt=\"shield icon\"][role=\"presentation\"][decoding=\"async\"]"
     ]
    },
    {
     "fingerprint": "ca81d751",
     "html": "<img decoding=\"async\" class=\"img-fluid\" alt=\"scales icon\" role=\"presentation\" title=\"scales-icon\" src=\"/vitalsigns/prevent-suicide/images/scales-icon.png?_=63199\">",
     "selectors": [
      "img[title=\"scales-icon\"]"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/salmonella/outbreaks/moringa-05-26/index.html",
     "count": 1
    },
    {
     "pattern": "/vitalsigns/prevent-suicide/index.html",
     "count": 1
    },
    {
     "pattern": "/listeria/outbreaks/soft-cheese-06-26/investigation.html",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-f528778d",
   "fingerprint": "042912c2",
   "rule_id": "image-redundant-alt",
   "rule_label": "Alternative text of images should not be repeated as text",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/image-redundant-alt?application=axeAPI",
   "severity": "Minor",
   "priority": "p4",
   "confidence": "low",
   "rationale": "Minor severity on 2 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 2,
    "affected_pages_previous": 3
   },
   "frequency": {
    "instances": 8,
    "pages_affected": 2,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "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 833 scanned pages (8 instances).",
   "remediation_tip": null,
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/image-redundant-alt?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule image-redundant-alt.",
   "actual_behavior": "Alternative text of images should not be repeated as text. Detected by axe-core rule image-redundant-alt on 2 of 833 scanned pages (8 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/spanish",
    "https://www.cdc.gov/nchs/hus"
   ],
   "html_fragments": [
    {
     "fingerprint": "4a0a76cb",
     "html": "<img src=\"/TemplatePackage/5.0/img/logo/logo-notext.svg\" alt=\"Centros para el Control y la Prevención de Enfermedades\" class=\"cdc-logo--img\">",
     "selectors": [
      ".menu-container > .navbar.navbar-expand-lg > .container > .cdc-logo.navbar-brand[href$=\"spanish/\"] > .cdc-logo--img",
      ".fixed-top > .container > .cdc-logo.navbar-brand[href$=\"spanish/\"] > .cdc-logo--img"
     ]
    },
    {
     "fingerprint": "ec25e874",
     "html": "<img decoding=\"async\" src=\"/nchs/images/hus/homepage-tiles/Deaths-800x500.png?_=27807\" alt=\"Deaths\" class=\"card-img-top img-fluid p-0 bg-gray-l2\">",
     "selectors": [
      "img[alt=\"Deaths\"]"
     ]
    },
    {
     "fingerprint": "c4e64ab8",
     "html": "<img decoding=\"async\" src=\"/nchs/images/hus/homepage-tiles/Health-risk-factors-800x500.png?_=27858\" alt=\"Health risk factors\" class=\"card-img-top img-fluid p-0 bg-gray-l2\">",
     "selectors": [
      "img[alt=\"Health risk factors\"]"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/spanish",
     "count": 1
    },
    {
     "pattern": "/nchs/hus",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  },
  {
   "finding_id": "VS-0066c67d",
   "fingerprint": "67db3700",
   "rule_id": "empty-heading",
   "rule_label": "Headings should not be empty",
   "engine": "axe-core",
   "tool": "axe-core",
   "wcag_sc": null,
   "wcag_name": null,
   "wcag_level": null,
   "wcag_version": null,
   "wcag_category": "Best Practice",
   "rule_url": "https://dequeuniversity.com/rules/axe/4.12/empty-heading?application=axeAPI",
   "severity": "Minor",
   "priority": "p4",
   "confidence": "low",
   "rationale": "Minor severity on 1 pages",
   "trend": {
    "status": "new",
    "first_observed": "2026-W24",
    "last_observed": "2026-W24",
    "weeks_observed": 1,
    "affected_pages_current": 1,
    "affected_pages_previous": 41
   },
   "frequency": {
    "instances": 1,
    "pages_affected": 1,
    "total_pages_scanned": 833
   },
   "on_key_page": false,
   "summary": "Headings should not be empty (WCAG criterion undetermined)",
   "description": "Headings should not be empty. Detected by axe-core rule empty-heading on 1 of 833 scanned pages (1 instances).",
   "remediation_tip": "Remove empty headings or give them text. Don't use heading tags for spacing.",
   "suggested_fix": "See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/empty-heading?application=axeAPI",
   "expected_behavior": "Element passes axe-core rule empty-heading.",
   "actual_behavior": "Headings should not be empty. Detected by axe-core rule empty-heading on 1 of 833 scanned pages (1 instances).",
   "testing_environment": "Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing.",
   "representative_urls": [
    "https://www.cdc.gov/pcd/issues/2025/2025_TOC.htm"
   ],
   "html_fragments": [
    {
     "fingerprint": "49d5321b",
     "html": "<h3></h3>",
     "selectors": [
      "h3:nth-child(122)"
     ]
    }
   ],
   "url_patterns": [
    {
     "pattern": "/pcd/issues/{id}/{id}_TOC.htm",
     "count": 1
    }
   ],
   "associated_technologies": [],
   "impact": {
    "groups": [],
    "summary": "Not captured by automated scan — requires manual testing."
   }
  }
 ],
 "clusters": {
  "by_wcag_criterion": [
   {
    "cluster_id": "0649d9b9",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-f18df681"
    ],
    "total_pages_affected": 812,
    "max_severity": "Serious"
   },
   {
    "cluster_id": "c7d2a838",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-8806389c"
    ],
    "total_pages_affected": 360,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "b393058c",
    "type": "wcag_criterion",
    "wcag_sc": "2.5.5",
    "wcag_name": "Target Size (Enhanced)",
    "wcag_level": "AAA",
    "findings": [
     "VS-cb53cc4d"
    ],
    "total_pages_affected": 301,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "71f257a8",
    "type": "wcag_criterion",
    "wcag_sc": "1.4.6",
    "wcag_name": "Contrast (Enhanced)",
    "wcag_level": "AAA",
    "findings": [
     "VS-646b1e0b"
    ],
    "total_pages_affected": 281,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "36ac08de",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-c18be945"
    ],
    "total_pages_affected": 270,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "d68f5631",
    "type": "wcag_criterion",
    "wcag_sc": "1.4.3",
    "wcag_name": "Contrast (Minimum)",
    "wcag_level": "AA",
    "findings": [
     "VS-be8d563e",
     "VS-f7e99f4b"
    ],
    "total_pages_affected": 242,
    "max_severity": "Serious"
   },
   {
    "cluster_id": "0c75ddb8",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-e05344b9"
    ],
    "total_pages_affected": 226,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "e08c8d69",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-d25f622d"
    ],
    "total_pages_affected": 134,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "66669a92",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-04a9d28c"
    ],
    "total_pages_affected": 126,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "945c7205",
    "type": "wcag_criterion",
    "wcag_sc": "1.1.1",
    "wcag_name": "Non-text Content",
    "wcag_level": "A",
    "findings": [
     "VS-9074b4dd",
     "VS-a24eaa8c"
    ],
    "total_pages_affected": 124,
    "max_severity": "Critical"
   },
   {
    "cluster_id": "8af1f05d",
    "type": "wcag_criterion",
    "wcag_sc": "3.1.1",
    "wcag_name": "Language of Page",
    "wcag_level": "A",
    "findings": [
     "VS-c126b6a6",
     "VS-7a0e5645"
    ],
    "total_pages_affected": 122,
    "max_severity": "Serious"
   },
   {
    "cluster_id": "140fec0b",
    "type": "wcag_criterion",
    "wcag_sc": "1.4.8",
    "wcag_name": "Visual Presentation",
    "wcag_level": "AAA",
    "findings": [
     "VS-fbf54eba",
     "VS-2208081b",
     "VS-388b5438"
    ],
    "total_pages_affected": 114,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "91fd3b4c",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-d5d82446"
    ],
    "total_pages_affected": 105,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "b8f97020",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-fa44f293"
    ],
    "total_pages_affected": 93,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "fc8a5ad8",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-91d2294a"
    ],
    "total_pages_affected": 79,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "7d3982ae",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-7845739d"
    ],
    "total_pages_affected": 69,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "24c4a455",
    "type": "wcag_criterion",
    "wcag_sc": "2.5.8",
    "wcag_name": "Target Size (Minimum)",
    "wcag_level": "AA",
    "findings": [
     "VS-179ad9b3"
    ],
    "total_pages_affected": 64,
    "max_severity": "Moderate"
   },
   {
    "cluster_id": "423bd52e",
    "type": "wcag_criterion",
    "wcag_sc": "1.3.1",
    "wcag_name": "Info and Relationships",
    "wcag_level": "A",
    "findings": [
     "VS-a0bdbdf6",
     "VS-6175596b",
     "VS-d6097011",
     "VS-3f067795",
     "VS-3c632d31"
    ],
    "total_pages_affected": 54,
    "max_severity": "Serious"
   },
   {
    "cluster_id": "3b489eee",
    "type": "wcag_criterion",
    "wcag_sc": "2.4.4",
    "wcag_name": "Link Purpose (In Context)",
    "wcag_level": "A",
    "findings": [
     "VS-e9fe47ac",
     "VS-28ebd979"
    ],
    "total_pages_affected": 45,
    "max_severity": "Serious"
   },
   {
    "cluster_id": "b05da4e9",
    "type": "wcag_criterion",
    "wcag_sc": null,
    "wcag_name": null,
    "wcag_level": null,
    "findings": [
     "VS-f054f4a4"
    ],
    "total_pages_affected": 43,
    "max_severity": "Moderate"
   }
  ],
  "by_url_pattern": [
   {
    "cluster_id": "d954bf4c",
    "type": "url_pattern",
    "pattern": "/mmwr/preview/mmwrhtml/{id}.htm",
    "findings": [
     "VS-9074b4dd",
     "VS-c126b6a6",
     "VS-be8d563e",
     "VS-a0bdbdf6",
     "VS-91d2294a",
     "VS-7845739d",
     "VS-2208081b",
     "VS-a24eaa8c",
     "VS-3d033717",
     "VS-7a0e5645",
     "VS-f2542d87"
    ],
    "total_pages": 177
   },
   {
    "cluster_id": "74e1c570",
    "type": "url_pattern",
    "pattern": "/spanish",
    "findings": [
     "VS-7430f84c",
     "VS-388b5438",
     "VS-424cced9",
     "VS-054101da",
     "VS-b465dfd7",
     "VS-4edfe386",
     "VS-f528778d"
    ],
    "total_pages": 7
   },
   {
    "cluster_id": "f09c882a",
    "type": "url_pattern",
    "pattern": "/",
    "findings": [
     "VS-7430f84c",
     "VS-388b5438",
     "VS-424cced9",
     "VS-054101da",
     "VS-b465dfd7",
     "VS-4edfe386"
    ],
    "total_pages": 6
   },
   {
    "cluster_id": "62bd5cca",
    "type": "url_pattern",
    "pattern": "/pcd/issues/{id}/{id}_TOC.htm",
    "findings": [
     "VS-388b5438",
     "VS-3c632d31",
     "VS-0066c67d"
    ],
    "total_pages": 4
   },
   {
    "cluster_id": "f214721b",
    "type": "url_pattern",
    "pattern": "/measles/data-research",
    "findings": [
     "VS-3d3b2245",
     "VS-3f067795",
     "VS-a2a3dffb"
    ],
    "total_pages": 3
   },
   {
    "cluster_id": "4995ffe5",
    "type": "url_pattern",
    "pattern": "/other/language-assistance.html",
    "findings": [
     "VS-dd1c019f",
     "VS-400f3a18"
    ],
    "total_pages": 2
   }
  ]
 },
 "technology_findings": [],
 "third_party_findings": [],
 "metadata": {
  "generator": "vital-core",
  "schema_version": "0.1",
  "total_pages_scanned": 833,
  "notes": [
   "Healthy pages (no known issues) are intentionally excluded.",
   "Representative examples are used instead of complete occurrence lists.",
   "Fingerprints are stable hashes for tracking recurring patterns over time.",
   "Fragment fingerprints normalize volatile attributes (id, style, data-*) before hashing.",
   "Technology lift values indicate association, not causation.",
   "Confidence reflects sample size: high=10+ affected pages, medium=3-9, low=1-2."
  ]
 }
}