vital-scans open quality ledger

www.cdc.gov: Broken Links & Errors — week 2026-W34

Broken links found on scanned pages, plus scanned pages that themselves returned a non-404 error (e.g. 403 or 5xx — 404s are already captured as broken links). · Download CSV

50 broken link(s) and 8 page error(s) in 2026-W34.
URLStatusTypeLinked from
http://www.cdc.gov/search.htm (broken for 10 weeks, first seen 2026-W25)404broken link/mmwr/preview/mmwrhtml/mm4930a3.htm
/mmwr/preview/mmwrhtml/00041170.htm
/mmwr/preview/mmwrhtml/mm5602md.htm +7 more
http://www.cdc.gov/health/diseases.htm (broken for 10 weeks, first seen 2026-W25)404broken link/mmwr/preview/mmwrhtml/mm4930a3.htm
/mmwr/preview/mmwrhtml/00041170.htm
/mmwr/preview/mmwrhtml/mm5602md.htm +7 more
http://www.cdc.gov/mmwr/mmwrsrch.htm (broken for 5 weeks, first seen 2026-W30)404broken link/mmwr/preview/mmwrhtml/mm4930a3.htm
/mmwr/preview/mmwrhtml/00041170.htm
/mmwr/preview/mmwrhtml/mm5047a9.htm +7 more
http://www.cdc.gov/mmwr/help.html (broken for 5 weeks, first seen 2026-W30)404broken link/mmwr/preview/mmwrhtml/mm4930a3.htm
/mmwr/preview/mmwrhtml/00041170.htm
/mmwr/preview/mmwrhtml/mm5047a9.htm +7 more
http://www.cdc.gov/mmwr/contact.html (broken for 5 weeks, first seen 2026-W30)404broken link/mmwr/preview/mmwrhtml/mm4930a3.htm
/mmwr/preview/mmwrhtml/00041170.htm
/mmwr/preview/mmwrhtml/mm5047a9.htm +7 more
http://www.cdc.gov/privacy.htm (broken for 10 weeks, first seen 2026-W25)404broken link/mmwr/preview/mmwrhtml/mm4930a3.htm
/mmwr/preview/mmwrhtml/00041170.htm
/mmwr/preview/mmwrhtml/mm5602md.htm +7 more
http://www.cdc.gov/disclaimer.htm (broken for 8 weeks, first seen 2026-W27)404broken link/mmwr/preview/mmwrhtml/mm4930a3.htm
/mmwr/preview/mmwrhtml/00041170.htm
/mmwr/preview/mmwrhtml/mm5602md.htm +7 more
http://twitter.com/share?url=https%3A%2F%2Fwww.cdc.gov%2Ftrichomoniasis%2Fabout%2Findex.html&text=About%20Trichomoniasis (first seen 2026-W34)520broken link/trichomoniasis/about
https://tools.cdc.gov/medialibrary/index.aspx (broken for 11 weeks, first seen 2026-W24)503broken link/trichomoniasis/about
/flu/es/testing/diagnostico-de-la-influenza.html
/pcd/issues/2018/18_0310a.htm +7 more
https://tools.cdc.gov/campaignproxyservice/subscriptions.aspx (broken for 11 weeks, first seen 2026-W24)503broken link/trichomoniasis/about
/std-ips/php/glossary/index.html
/nerd-academy/about/index.html +7 more
https://www.cdc.gov/rss (broken for 11 weeks, first seen 2026-W24)404broken link/trichomoniasis/about
/flu/es/testing/diagnostico-de-la-influenza.html
/pcd/issues/2018/18_0310a.htm +7 more
https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/flu/es/testing/diagnostico-de-la-influenza.html (first seen 2026-W34)Request cannot be constructed from a URL that includes credentials: https://%5C%broken link/flu/es/testing/diagnostico-de-la-influenza.html
https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/flu/es/site.html (first seen 2026-W34)Request cannot be constructed from a URL that includes credentials: https://%5C%broken link/flu/es/testing/diagnostico-de-la-influenza.html
https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/flu/es/signs-symptoms/signos-y-sintomas-de-la-influenza.html (first seen 2026-W34)Request cannot be constructed from a URL that includes credentials: https://%5C%broken link/flu/es/testing/diagnostico-de-la-influenza.html
https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/flu/es/about/acerca-de-la-influenza.html (first seen 2026-W34)Request cannot be constructed from a URL that includes credentials: https://%5C%broken link/flu/es/testing/diagnostico-de-la-influenza.html
https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/flu/es/spread/como-se-propaga-la-influenza.html (first seen 2026-W34)Request cannot be constructed from a URL that includes credentials: https://%5C%broken link/flu/es/testing/diagnostico-de-la-influenza.html
https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/flu/es/treatment/tratamiento-influenza.html (first seen 2026-W34)Request cannot be constructed from a URL that includes credentials: https://%5C%broken link/flu/es/testing/diagnostico-de-la-influenza.html
https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/flu/es/highrisk/personas-con-mayor-riesgo.html (first seen 2026-W34)Request cannot be constructed from a URL that includes credentials: https://%5C%broken link/flu/es/testing/diagnostico-de-la-influenza.html
https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/flu/es/prevention/prevencion-de-la-influenza-gripe-estacional.html (first seen 2026-W34)Request cannot be constructed from a URL that includes credentials: https://%5C%broken link/flu/es/testing/diagnostico-de-la-influenza.html
https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/flu/es/takingcare/influenza-que-hacer-si-se-enferma.html (first seen 2026-W34)Request cannot be constructed from a URL that includes credentials: https://%5C%broken link/flu/es/testing/diagnostico-de-la-influenza.html
https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/flu/es/highrisk/la-influenza-y-el-embarazo.html (first seen 2026-W34)Request cannot be constructed from a URL that includes credentials: https://%5C%broken link/flu/es/testing/diagnostico-de-la-influenza.html
https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/bird-flu/ (first seen 2026-W34)Request cannot be constructed from a URL that includes credentials: https://%5C%broken link/flu/es/testing/diagnostico-de-la-influenza.html
https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/swine-flu/ (first seen 2026-W34)Request cannot be constructed from a URL that includes credentials: https://%5C%broken link/flu/es/testing/diagnostico-de-la-influenza.html
/bird-flu/avian-timeline/1880-1959.html
/bird-flu/worker-safety/personal-protective-equipment.html +2 more
https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/flu-in-animals/ (first seen 2026-W34)Request cannot be constructed from a URL that includes credentials: https://%5C%broken link/flu/es/testing/diagnostico-de-la-influenza.html
/bird-flu/avian-timeline/1880-1959.html
/bird-flu/worker-safety/personal-protective-equipment.html +2 more
https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/flu-vaccines-work/ (first seen 2026-W34)Request cannot be constructed from a URL that includes credentials: https://%5C%broken link/flu/es/testing/diagnostico-de-la-influenza.html
/bird-flu/avian-timeline/1880-1959.html
/bird-flu/worker-safety/personal-protective-equipment.html +2 more
https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/pandemic-flu/ (first seen 2026-W34)Request cannot be constructed from a URL that includes credentials: https://%5C%broken link/flu/es/testing/diagnostico-de-la-influenza.html
/bird-flu/avian-timeline/1880-1959.html
/bird-flu/worker-safety/personal-protective-equipment.html +2 more
https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/flu-burden/ (first seen 2026-W34)Request cannot be constructed from a URL that includes credentials: https://%5C%broken link/flu/es/testing/diagnostico-de-la-influenza.html
/bird-flu/avian-timeline/1880-1959.html
/bird-flu/worker-safety/personal-protective-equipment.html +2 more
https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/flu/testing/index.html (first seen 2026-W34)Request cannot be constructed from a URL that includes credentials: https://%5C%broken link/flu/es/testing/diagnostico-de-la-influenza.html
https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/flu/es/treatment/tratamiento-de-la-influenza-gripe-con-medicamentos-antivirales.html (first seen 2026-W34)Request cannot be constructed from a URL that includes credentials: https://%5C%broken link/flu/es/testing/diagnostico-de-la-influenza.html
https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/flu/hcp/info-collection/index.html (first seen 2026-W34)Request cannot be constructed from a URL that includes credentials: https://%5C%broken link/flu/es/testing/diagnostico-de-la-influenza.html
https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/flu/php/laboratories/influenza-sars-cov-2-multiplex-assay.html (first seen 2026-W34)Request cannot be constructed from a URL that includes credentials: https://%5C%broken link/flu/es/testing/diagnostico-de-la-influenza.html
http://twitter.com/share?url=https%3A%2F%2Fwww.cdc.gov%2Fflu%2Fes%2Ftesting%2Fdiagnostico-de-la-influenza.html&text=Diagn%C3%B3stico%20de%20la%20influenza (first seen 2026-W34)520broken link/flu/es/testing/diagnostico-de-la-influenza.html
https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/spanish/ (first seen 2026-W34)Request cannot be constructed from a URL that includes credentials: https://%5C%broken link/flu/es/testing/diagnostico-de-la-influenza.html
/media/releases/2024/s0522-human-case-h5.html
/nchs/products/snhp.htm +5 more
https://tools.cdc.gov/campaignproxyservice/subscriptions.aspx?topic_id=USCDC_7_3 (broken for 8 weeks, first seen 2026-W24)503broken link/flu/es/testing/diagnostico-de-la-influenza.html
/bird-flu/php/technical-report/h5n1-100523.html
/bird-flu/avian-timeline/1880-1959.html +7 more
https://%5C%5C%5C%5Ccdc.gov%5C%5Cproject%5C%5COPHSS_CSELS_DPHID_MMWR_OD_Editors%5C%5CMMWR-WE%5C%5Cxxx%20-%20AUGUST%2021%5C%5CRoundtable%5C%5Cvqf8@cdc.gov/ncird/index.html (first seen 2026-W34)Request cannot be constructed from a URL that includes credentials: https://%5C%broken link/flu/es/testing/diagnostico-de-la-influenza.html
/diphtheria/vaccines/index.html
/vaccines/hcp/administration/index.html
http://twitter.com/share?url=https%3A%2F%2Fwww.cdc.gov%2Fpcd%2Fissues%2F2018%2F18_0310a.htm&text=Reducing%20the%20Intake%20of%20Sodium%20in%20Community%20Settings%3A%20Evaluation%20of%20Year%20One%20Activities%20in%20the%20Sodium%20Reduction%20in%20Communities%20Program%2C%20Arkansas%2C%202016%E2%80%932017 (first seen 2026-W34)520broken link/pcd/issues/2018/18_0310a.htm
http://twitter.com/share?url=https%3A%2F%2Fwww.cdc.gov%2Fsudden-infant-death%2Fdata-research%2Fdata%2Fsids-deaths-by-cause.html&text=Trends%20in%20SUID%20Rates%20by%20Cause%20of%20Death%2C%201990%E2%80%942024 (first seen 2026-W34)520broken link/sudden-infant-death/data-research/data/sids-deaths-by-cause.html
https://tools.cdc.gov/campaignproxyservice/subscriptions.aspx?topic_id=USCDC_510 (first seen 2026-W34)503broken link/sudden-infant-death/data-research/data/sids-deaths-by-cause.html
http://twitter.com/share?url=https%3A%2F%2Fwww.cdc.gov%2Fstd-ips%2Fphp%2Fglossary%2Findex.html&text=Glossary%C2%A0of%20Acronyms (first seen 2026-W34)520broken link/std-ips/php/glossary/index.html
https://www.cdc.gov/mmwr/mmwrsrch.htm (broken for 9 weeks, first seen 2026-W25)404broken link/mmwr/preview/mmwrhtml/mm5602md.htm
/mmwr/preview/mmwrhtml/00040890.htm
/mmwr/preview/mmwrhtml/mm5748a1.htm +7 more
https://www.cdc.gov/mmwr/help.html (broken for 9 weeks, first seen 2026-W25)404broken link/mmwr/preview/mmwrhtml/mm5602md.htm
/mmwr/preview/mmwrhtml/00040890.htm
/mmwr/preview/mmwrhtml/mm5748a1.htm +7 more
https://www.cdc.gov/mmwr/contact.html (broken for 9 weeks, first seen 2026-W25)404broken link/mmwr/preview/mmwrhtml/mm5602md.htm
/mmwr/preview/mmwrhtml/00040890.htm
/mmwr/preview/mmwrhtml/mm5748a1.htm +7 more
http://twitter.com/share?url=undefined&text=1-Chloro-1-nitropropane (first seen 2026-W34)520broken link/niosh/npg/npgd0130.html
https://www.facebook.com/sharer/sharer.php?u=undefined (broken for 5 weeks, first seen 2026-W28)500broken link/niosh/npg/npgd0130.html
/niosh/npg/npgd0659.html
/niosh/npg/npgd0340.html +7 more
http://twitter.com/NIOSH (broken for 7 weeks, first seen 2026-W26)520broken link/niosh/npg/npgd0130.html
/niosh/npg/npgd0659.html
/niosh/npg/npgd0340.html +7 more
http://www.youtube.com/user/NIOSHSafetyVideos (broken for 7 weeks, first seen 2026-W26)404broken link/niosh/npg/npgd0130.html
/niosh/npg/npgd0659.html
/niosh/npg/npgd0340.html +7 more
https://www.ilo.org/dyn/icsc/showcard.display?p_lang=en&p_card_id=1423&p_version=2 (first seen 2026-W34)404broken link/niosh/npg/npgd0130.html
http://twitter.com/share?url=https%3A%2F%2Fwww.cdc.gov%2Fnerd-academy%2Fabout%2Findex.html&text=About%20CDC%20NERD%20Academy (first seen 2026-W34)520broken link/nerd-academy/about/index.html
http://twitter.com/share?url=https%3A%2F%2Fwww.cdc.gov%2Fmmwr%2Fvolumes%2F69%2Fwr%2Fmm6921a4.htm&text=Quickstats%3A%20Cancer%20and%20Heart%20Disease%20Death%20Rates%2C*%2C%E2%80%A0%20Among%20Men%20and%20Women%20Aged%2045%E2%80%9364%20Years%20%E2%80%94%20United%20States%2C%201999%E2%80%932018 (first seen 2026-W34)520broken link/mmwr/volumes/69/wr/mm6921a4.htm
https://www.nextgenscience.org/get-to-know (first seen 2026-W34)UND_ERR_CONNECT_TIMEOUTbroken link/nerd-academy/about/index.html
http://www.cdc.gov/niosh/docs/2004-149403page errorn/a
http://www.cdc.gov/niosh/docs/2018-127403page errorn/a
https://www.cdc.gov/niosh/docs/89-135403page errorn/a
https://www.cdc.gov/niosh/docs/98-157403page errorn/a
https://www.cdc.gov/niosh/docs/99-124403page errorn/a
https://www.cdc.gov/tobacco/basic_information/secondhand_smoke403page errorn/a
http://www.cdc.gov/niosh/docs/2001-146403page errorn/a
http://www.cdc.gov/niosh/docs/wp-solutions/2011-125403page errorn/a