# Accessibility bug reports — www.cdc.gov, week 2026-W29 86 issue type(s) from 3333 pages scanned. Generated 2026-07-24 by [vital-scans](https://github.com/mgifford/vital-core), following [accessibility bug-reporting best practices](https://mgifford.github.io/ACCESSIBILITY.md/examples/ACCESSIBILITY_BUG_REPORTING_BEST_PRACTICES.html). > Automated checks find roughly a third of accessibility barriers. Fields marked "requires manual testing" cannot be observed by an automated scan and need a human with assistive technology. --- ## Target size is at least 24×24 CSS pixels or has spacing (Minimum) (WCAG 2.5.8) **Bug ID:** `VS-68a802f2` **Pattern ID:** `VS-179ad9b3` **URL:** https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5510a3.htm **XPath / selector:** `` **WCAG SC:** 2.5.8 — Target Size (Minimum) (Level AA) **Rule:** Siteimprove Alfa — `sia-r113` ([reference](https://alfa.siteimprove.com/rules/sia-r113)) **Severity:** Moderate **Frequency:** 5627 instances; 534 of 3333 pages affected **History:** first seen 2026-W24, last seen 2026-W29 (6 weeks) ### Description Target size is at least 24×24 CSS pixels or has spacing (Minimum). Detected by Siteimprove Alfa rule sia-r113 on 534 of 3333 scanned pages (5627 instances). ### Steps to reproduce 1. Open https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5510a3.htm. 2. Locate the element: 3. Confirm the Siteimprove Alfa finding for rule sia-r113 against WCAG 2.5.8 Target Size (Minimum). ### Impact Affects Limited manipulation/strength (13.0%), Limited reach (2.0%), Limited vision (2.4%). - **Limited manipulation/strength** (13.0% of population) - **Limited reach** (2.0% of population) - **Limited vision** (2.4% of population) ### Affected pages - https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5510a3.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/00039349.htm - http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6006a6.htm?s_cid=mm6006a6_w - http://www.cdc.gov/mmwr/preview/mmwrhtml/00056485.htm - https://www.cdc.gov/pcd/issues/2009/jan/07_0240.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6417a5.htm - http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6005a5.htm?s_cid=mm6005a5_w - http://www.cdc.gov/pcd/issues/2009/jan/08_0009_fr.htm - https://www.cdc.gov/nchs/hus/contents2019.htm?search=%2CState - https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6142a1.htm?s_cid=mm6142a1_w - http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6019md.htm?s_cid=mm6019md_w - https://www.cdc.gov/mmwr/preview/mmwrhtml/00001287.htm - http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6013md.htm?s_cid=mm6013md_w - https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6004a9.htm?s_cid=mm6004a9_w - http://www.cdc.gov/pcd/issues/2010/sep/10_0046.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/su5502a2.htm - https://www.cdc.gov/nchs/products/databriefs/db360.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/00045972.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6007a2.htm?s_cid=mm6007a2_w - https://www.cdc.gov/mmwr/preview/mmwrhtml/00016673.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/00000621.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5644a6.htm - http://www.cdc.gov/mmwr/preview/mmwrhtml/00000258.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5521a3.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6145a1.htm?s_cid=mm6145a1_w …and more — 534 pages total ([download CSV](csv/alfa__sia-r113.csv)). ### Testing environment Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing. ### Suggested fix See remediation guidance: https://alfa.siteimprove.com/rules/sia-r113 ### Example pages - https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5510a3.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/00039349.htm - http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6006a6.htm?s_cid=mm6006a6_w --- ## Accessible name of link or button matches visible label (WCAG 2.5.3) **Bug ID:** `VS-3fb7f564` **Pattern ID:** `VS-f7dba940` **URL:** https://www.cdc.gov/listeria/outbreaks/meat-and-poultry-products-11-24/index.html **XPath / selector:** `` **WCAG SC:** 2.5.3 — Label in Name (Level A) **Rule:** Siteimprove Alfa — `sia-r14` ([reference](https://alfa.siteimprove.com/rules/sia-r14)) **Severity:** Moderate **Frequency:** 405 instances; 191 of 3333 pages affected **History:** first seen 2026-W24, last seen 2026-W29 (6 weeks) ### Description Accessible name of link or button matches visible label. Detected by Siteimprove Alfa rule sia-r14 on 191 of 3333 scanned pages (405 instances). ### Steps to reproduce 1. Open https://www.cdc.gov/listeria/outbreaks/meat-and-poultry-products-11-24/index.html. 2. Locate the element: 3. Confirm the Siteimprove Alfa finding for rule sia-r14 against WCAG 2.5.3 Label in Name. ### Impact Affects Without vision (1.0%), Without speech (0.5%). - **Without vision** (1.0% of population) - **Without speech** (0.5% of population) ### Affected pages - https://www.cdc.gov/listeria/outbreaks/meat-and-poultry-products-11-24/index.html - https://www.cdc.gov/mold-health/communication-resources/shopping-list-for-cleaning-mold.html - https://www.cdc.gov/mycoplasma/php/surveillance/index.html - https://www.cdc.gov/hearing-loss-children/es/screening/pruebas-de-deteccion-de-perdida-auditiva.html - https://www.cdc.gov/data-interoperability/php/mdn - https://www.cdc.gov/united-states-cancer-statistics/publications/prostate-cancer-stat-bite.html - https://www.cdc.gov/parainfluenza/hcp/clinical-overview/index.html - https://www.cdc.gov/cervical-cancer/es/stories/jen.html - https://www.cdc.gov/niosh/school-safety/program/supplements.html - https://www.cdc.gov/bird-flu/communication-resources/put-on-ppe-high-exposure.html - https://www.cdc.gov/overdose-prevention/es/reversing-overdose/revertir-la-sobredosis-de-opioides-para-prevenir-la-muerte.html - https://www.cdc.gov/tobacco/campaign/tips/spanish/historias/tammy-w.html - https://www.cdc.gov/cryptosporidium/es/prevention/index.html - https://www.cdc.gov/hepatitis/hcp/populations-settings/peh.html - https://www.cdc.gov/natural-disasters/communication-resources/flooding-and-mold-activity-book.html - http://www.cdc.gov/tobacco/campaign/tips/spanish/historias/elizabeth-b.html - https://www.cdc.gov/united-states-cancer-statistics/publications/colorectal-cancer-stat-bite.html - https://www.cdc.gov/nchs/covid19/rands/reduced-access-to-care.htm - https://www.cdc.gov/monkeypox/es/causes/index.html - http://www.cdc.gov/chikungunya/hcp/vaccines/index.html - https://www.cdc.gov/natural-disasters/communication-resources/preventing-diarrheal-illness-after-a-disaster-factsheet.html - https://www.cdc.gov/diabetes/es/diabetes-complications/recuperacion-despues-de-la-amputacion.html - http://www.cdc.gov/tobacco/campaign/tips/spanish/poblaciones/hispano-latino.html - https://www.cdc.gov/environmental-exposure-report/whats-new/whats-new-archives.html - https://www.cdc.gov/environmental-health-tracking/php/data-research/pesticide-exposure.html …and more — 191 pages total ([download CSV](csv/alfa__sia-r14.csv)). ### Testing environment Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing. ### Suggested fix See remediation guidance: https://alfa.siteimprove.com/rules/sia-r14 ### Example pages - https://www.cdc.gov/listeria/outbreaks/meat-and-poultry-products-11-24/index.html - https://www.cdc.gov/mold-health/communication-resources/shopping-list-for-cleaning-mold.html - https://www.cdc.gov/mycoplasma/php/surveillance/index.html --- ## Images must have alternative text (WCAG 1.1.1) **Bug ID:** `VS-2981e623` **Pattern ID:** `VS-9074b4dd` **URL:** https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5510a3.htm **XPath / selector:** `td[rowspan="2"][width="10"]:nth-child(1) > img[alt=" "][width="10"][src$="spacer.gif"]` **WCAG SC:** 1.1.1 — Non-text Content (Level A) **Rule:** axe-core — `image-alt` ([reference](https://dequeuniversity.com/rules/axe/4.12/image-alt?application=axeAPI)) **Severity:** Critical **Frequency:** 6181 instances; 622 of 3333 pages affected **History:** first seen 2026-W24, last seen 2026-W29 (6 weeks) ### HTML snippet ```html ``` ### Description Images must have alternative text. Detected by axe-core rule image-alt on 622 of 3333 scanned pages (6181 instances). ### Steps to reproduce 1. Open https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5510a3.htm. 2. Locate the element: td[rowspan="2"][width="10"]:nth-child(1) > img[alt=" "][width="10"][src$="spacer.gif"] 3. Confirm the axe-core finding for rule image-alt against WCAG 1.1.1 Non-text Content. ### Impact Affects Without vision (1.0%), Limited vision (2.4%), Limited cognitive, language, or learning ability (11.0%). - **Without vision** (1.0% of population) - **Limited vision** (2.4% of population) - **Limited cognitive, language, or learning ability** (11.0% of population) ### Affected pages - https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5510a3.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/00039349.htm - http://www.cdc.gov/mmwr/preview/mmwrhtml/00056485.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/00045578.htm - https://www.cdc.gov/pcd/issues/2009/jan/07_0240.htm - http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4937a6.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/00020374.htm - http://www.cdc.gov/pcd/issues/2009/jan/08_0009_fr.htm - http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4913a3.htm - https://www.cdc.gov/pcd/issues/2008/jan/06_0144_zht.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5528a9.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/00001287.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5708md.htm - https://www.cdc.gov/pcd/issues/2005/nov/05_0076_zhs.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/00017905.htm - http://www.cdc.gov/pcd/issues/2010/sep/10_0046.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/00031512.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/00001186.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/su5502a2.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/00045972.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/00016673.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/00000621.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5644a6.htm - http://www.cdc.gov/mmwr/preview/mmwrhtml/00000258.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5521a3.htm …and more — 622 pages total ([download CSV](csv/axe-core__image-alt.csv)). ### Testing environment Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing. ### Suggested fix **How to fix:** Give every a meaningful alt attribute. Use alt="" only for decorative images so screen readers skip them. See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/image-alt?application=axeAPI ### Example pages - https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5510a3.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/00039349.htm - http://www.cdc.gov/mmwr/preview/mmwrhtml/00056485.htm --- ## Image has accessible name (WCAG 1.1.1) **Bug ID:** `VS-27f783be` **Pattern ID:** `VS-a24eaa8c` **URL:** https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5510a3.htm **XPath / selector:** ` ` **WCAG SC:** 1.1.1 — Non-text Content (Level A) **Rule:** Siteimprove Alfa — `sia-r2` ([reference](https://alfa.siteimprove.com/rules/sia-r2)) **Severity:** Moderate **Frequency:** 2694 instances; 297 of 3333 pages affected **History:** first seen 2026-W24, last seen 2026-W29 (6 weeks) ### Description Image has accessible name. Detected by Siteimprove Alfa rule sia-r2 on 297 of 3333 scanned pages (2694 instances). ### Steps to reproduce 1. Open https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5510a3.htm. 2. Locate the element: 3. Confirm the Siteimprove Alfa finding for rule sia-r2 against WCAG 1.1.1 Non-text Content. ### Impact Affects Without vision (1.0%), Limited vision (2.4%), Limited cognitive, language, or learning ability (11.0%). - **Without vision** (1.0% of population) - **Limited vision** (2.4% of population) - **Limited cognitive, language, or learning ability** (11.0% of population) ### Affected pages - https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5510a3.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/00039349.htm - http://www.cdc.gov/mmwr/preview/mmwrhtml/00056485.htm - https://www.cdc.gov/pcd/issues/2009/jan/07_0240.htm - http://www.cdc.gov/pcd/issues/2009/jan/08_0009_fr.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/00001287.htm - http://www.cdc.gov/pcd/issues/2010/sep/10_0046.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/su5502a2.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/00045972.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/00016673.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/00000621.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5644a6.htm - http://www.cdc.gov/mmwr/preview/mmwrhtml/00000258.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5521a3.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/ss4907a1.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/00031321.htm - https://www.cdc.gov/pcd/issues/2009/jan/07_0199_zhs.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5843a7.htm - https://www.cdc.gov/pcd/es/2010_may_toc.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/00020061.htm - https://www.cdc.gov/pcd/issues/2010/may/09_0123_es.htm - http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4824a2.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/00000569.htm - http://www.cdc.gov/pcd/issues/2009/jan/08_0026_zhs.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5744md.htm …and more — 297 pages total ([download CSV](csv/alfa__sia-r2.csv)). ### Testing environment Automated: Siteimprove Alfa, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing. ### Suggested fix **How to fix:** Give every an accessible name (alt text), or alt="" if purely decorative. See remediation guidance: https://alfa.siteimprove.com/rules/sia-r2 ### Example pages - https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5510a3.htm - https://www.cdc.gov/mmwr/preview/mmwrhtml/00039349.htm - http://www.cdc.gov/mmwr/preview/mmwrhtml/00056485.htm --- ## Certain ARIA roles must contain particular children (WCAG 1.3.1) **Bug ID:** `VS-a5e73248` **Pattern ID:** `VS-9429bb8d` **URL:** https://www.cdc.gov/nchs/nvss/vsrr/mortality-dashboard.htm **XPath / selector:** `#indicators` **WCAG SC:** 1.3.1 — Info and Relationships (Level A) **Rule:** axe-core — `aria-required-children` ([reference](https://dequeuniversity.com/rules/axe/4.12/aria-required-children?application=axeAPI)) **Severity:** Critical **Frequency:** 5 instances; 3 of 3333 pages affected **History:** first seen 2026-W25, last seen 2026-W29 (5 weeks) ### HTML snippet ```html
``` ### Description Certain ARIA roles must contain particular children. Detected by axe-core rule aria-required-children on 3 of 3333 scanned pages (5 instances). ### Steps to reproduce 1. Open https://www.cdc.gov/nchs/nvss/vsrr/mortality-dashboard.htm. 2. Locate the element: #indicators 3. Confirm the axe-core finding for rule aria-required-children against WCAG 1.3.1 Info and Relationships. ### Impact Affects Without vision (1.0%), Limited vision (2.4%), Limited cognitive, language, or learning ability (11.0%). - **Without vision** (1.0% of population) - **Limited vision** (2.4% of population) - **Limited cognitive, language, or learning ability** (11.0% of population) ### Affected pages - https://www.cdc.gov/nchs/nvss/vsrr/mortality-dashboard.htm - https://www.cdc.gov/stophivtogether/hiv-testing/self-testing.html?s_cid=so_togetherconsumertk0295 - https://www.cdc.gov/contraception/hcp/usmec/intrauterine-devices.html ### Testing environment Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing. ### Suggested fix **How to fix:** Add the child roles this container role requires (e.g. a list needs listitem children). See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/aria-required-children?application=axeAPI ### Example pages - https://www.cdc.gov/nchs/nvss/vsrr/mortality-dashboard.htm - https://www.cdc.gov/stophivtogether/hiv-testing/self-testing.html?s_cid=so_togetherconsumertk0295 - https://www.cdc.gov/contraception/hcp/usmec/intrauterine-devices.html --- ## Certain ARIA roles must be contained by particular parents (WCAG 1.3.1) **Bug ID:** `VS-50cfc386` **Pattern ID:** `VS-f6d344d5` **URL:** https://www.cdc.gov/contraception/hcp/usmec/intrauterine-devices.html **XPath / selector:** `.table-col[data-col="1"][role="cell"] > div[role="row"]` **WCAG SC:** 1.3.1 — Info and Relationships (Level A) **Rule:** axe-core — `aria-required-parent` ([reference](https://dequeuniversity.com/rules/axe/4.12/aria-required-parent?application=axeAPI)) **Severity:** Critical **Frequency:** 5 instances; 1 of 3333 pages affected **History:** first seen 2026-W29, last seen 2026-W29 (1 week) ### HTML snippet ```html
U.S. MEC 1
``` ### Description Certain ARIA roles must be contained by particular parents. Detected by axe-core rule aria-required-parent on 1 of 3333 scanned pages (5 instances). ### Steps to reproduce 1. Open https://www.cdc.gov/contraception/hcp/usmec/intrauterine-devices.html. 2. Locate the element: .table-col[data-col="1"][role="cell"] > div[role="row"] 3. Confirm the axe-core finding for rule aria-required-parent against WCAG 1.3.1 Info and Relationships. ### Impact Affects Without vision (1.0%), Limited vision (2.4%), Limited cognitive, language, or learning ability (11.0%). - **Without vision** (1.0% of population) - **Limited vision** (2.4% of population) - **Limited cognitive, language, or learning ability** (11.0% of population) ### Affected pages - https://www.cdc.gov/contraception/hcp/usmec/intrauterine-devices.html ### Testing environment Automated: axe-core, headless Chromium (Playwright). Manual AT verification: Not captured by automated scan — requires manual testing. ### Suggested fix **How to fix:** Place this ARIA role inside its required parent role (e.g. an option must be inside a listbox). See remediation guidance: https://dequeuniversity.com/rules/axe/4.12/aria-required-parent?application=axeAPI --- ##