(../../../../favicon_aje.ico) US records 4,410 measles cases as outbreak grows | Health News | Al Jazeera    (https://www.aljazeera.com/news/2026/10/16/us-records-4410-measles-cases-as-outbreak-grows)                                               (https://www.aljazeera.com/xml/rss/all.xml)  (https://www.aljazeera.com/amp/news/2026/10/16/us-records-4410-measles-cases-as-outbreak-grows)  (https://www.aljazeera.com/wp-content/uploads/2026/10/2026-10-13T171946Z_764942595_RC257KAXXVNJ_RTRMADP_3_HEALTH-USA-MEASLES-CDC-1792168513.jpg?resize=1920%2C1440)  (../../../../wp-content/uploads/2026/10/2026-10-13T171946Z_764942595_RC257KAXXVNJ_RTRMADP_3_HEALTH-USA-MEASLES-CDC-1792168513.jpg@resize=770,513&quality=80)     (https://cdn.cookielaw.org) (https://cdn.cookielaw.org) (https://cdn.cookielaw.org) (https://cdn.cookielaw.org/scripttemplates/otSDKStub.js) (https://www.google-analytics.com) (https://www.google-analytics.com) (https://www.google-analytics.com) (https://static.chartbeat.com/) (https://static.chartbeat.com/) (https://static.chartbeat.com/) (../../../../static/css/vendor~main~d08ff9cb.24bf1742.r2.chunk.css) (../../../../static/css/component~main~748942c6.6cd3b839.r2.chunk.css) (../../../../static/css/component~main~b07b7304.e3bc53a0.r2.chunk.css) (../../../../static/css/component~main~6e6dca10.b9196be1.r2.chunk.css) (../../../../static/css/component~main~d92ce3db.c3cbd92c.r2.chunk.css) (https://www.aljazeera.com/static/media/Roboto-Bold.52bb58c8.woff2) (https://www.aljazeera.com/static/media/Roboto-Regular.c5bf51b6.woff2)  (../../../../static/css/vendor~aje/containers/home-page~components/video-article/videoPageDispatcher~containers/amp-live-blo~5f903362.2e08e417.r2.chunk.css)  (../../../../static/css/component~aje/containers/home-page~components/video-article/videoPageDispatcher~containers/amp-live-~41c72a2c.6aa6af66.r2.chunk.css)  (../../../../static/css/component~aje/containers/home-page~components/video-article/videoPageDispatcher~containers/amp-live-~06be7c11.0625e98d.r2.chunk.css)  (../../../../static/css/common~493df0b3.ec3ab9b5.r2.chunk.css)  (../../../../static/css/pages/article-page~493df0b3.93e3f65b.r2.chunk.css)  (../../../../static/css/common~493df0b3.ec3ab9b5.r2.chunk.css)   Skip links (us-records-4410-measles-cases-as-outbreak-grows@traffic_source=rss.html#main-content-area) Skip to Content  (https://www.aljazeera.com/)          (https://www.aljazeera.com/video/live) play    Live    Sign up  Show navigation menu     Navigation menu (https://www.aljazeera.com/news/) News    Show more news sections  (https://www.aljazeera.com/middle-east/) Middle East   (https://www.aljazeera.com/africa/) Africa   (https://www.aljazeera.com/asia/) Asia   (https://www.aljazeera.com/us-canada/) US & Canada   (https://www.aljazeera.com/latin-america/) Latin America   (https://www.aljazeera.com/europe/) Europe   (https://www.aljazeera.com/asia-pacific/) Asia Pacific      (https://www.aljazeera.com/tag/explainer/) Explained   (https://www.aljazeera.com/sports) Sport   (https://www.aljazeera.com/opinion/) Opinion   (https://www.aljazeera.com/videos/) Video   (https://www.aljazeera.com/interactives/) Interactives   More   Show more sections  (https://www.aljazeera.com/aljazeera-originals) Originals   (https://www.aljazeera.com/features/) Features   (https://www.aljazeera.com/economy/) Economy   (https://www.aljazeera.com/tag/human-rights/) Human Rights   (https://www.aljazeera.com/climate-crisis) Climate Crisis   (https://www.aljazeera.com/investigations/) Investigations   (https://www.aljazeera.com/gallery/) In Pictures   (https://www.aljazeera.com/tag/science-and-technology/) Science & Technology   (https://www.aljazeera.com/audio/podcasts) Podcasts   (https://www.aljazeera.com/travel) Travel   (https://www.aljazeera.com/sponsored/) Sponsored Content        (https://www.aljazeera.com/video/live) play    Live    Click here to search search     Sign up        (https://www.aljazeera.com/news/) News |(https://www.aljazeera.com/tag/health/) Health   US records 4,410 measles cases as outbreak grows The CDC reports 451 hospitalisations nationwide as health officials expand vaccination efforts.   Listen   Listen (2 mins)       Save       Share US records 4,410 measles cases as outbreak grows on social media share-nodes    Share (https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Faje.news%2F6yik9m) facebook      (https://twitter.com/intent/tweet?text=US%20records%204%2C410%20measles%20cases%20as%20outbreak%20grows&source=sharethiscom&related=sharethis&via=AJEnglish&url=https%3A%2F%2Faje.news%2F6yik9m) x    (whatsapp://send?text=https%3A%2F%2Faje.news%2F6yik9m) whatsapp-stroke    (https://aje.news/6yik9m)  copylink          google       Add Al Jazeera on Google  info      (A sign sits outside the Centers for Disease Control and Prevention (CDC) Roybal campus in Atlanta, Georgia, U.S. March 18, 2026. [Megan Varner/Reuters])   The United States Centers for Disease Control and Prevention (CDC) reports that children and teenagers make up the majority of new measles cases [File: Megan Varner/Reuters]   (https://www.aljazeera.com/author/al_jazeera_staff_150119130629458)     By  (https://www.aljazeera.com/author/al_jazeera_staff_150119130629458) Al Jazeera Staff    Published On 16 Oct 2026 16 Oct 2026    The United States Centers for Disease Control and Prevention (CDC) has recorded 4,410 measles cases so far in 2026, an increase of 330 in a week, and has dispatched an investigator to the state of Pennsylvania to help contain the country’s largest outbreak. CDC figures also show 451 measles-related hospitalisations nationwide this year. Children and teenagers aged five to 19 account for 42 percent of cases, followed by adults aged 20 and older, who make up 41 percent. Seventeen percent of cases were among children under the age of five. Recommended Stories list of 3 items list 1 of 3 (https://www.aljazeera.com/news/2026/9/29/cdc-reports-two-measles-deaths-us-as-cases-hit-35-year-high) CDC reports two measles deaths in US as cases hit 35-year high  list 2 of 3 (https://www.aljazeera.com/news/2026/9/30/pennsylvania-confirms-fifth-measles-associated-death-as-us-outbreak-grows) Pennsylvania confirms fifth measles-associated death as US outbreak grows  list 3 of 3 (https://www.aljazeera.com/news/2026/10/6/new-york-state-declares-measles-disaster-amid-resurgence-of-disease-in-us) New York state declares measles disaster amid resurgence of disease in US   end of list  Pennsylvania reported 1,222 cases across 42 counties as of Wednesday, including 86 new infections since October 9, according to the state health department. The outbreak has led to 225 hospitalisations and (https://www.aljazeera.com/news/2026/9/30/pennsylvania-confirms-fifth-measles-associated-death-as-us-outbreak-grows) five confirmed measles-associated deaths. State officials are actively investigating a sixth reported death. The CDC is sending a so-called “disease detective” from its Epidemic Intelligence Service to work with state health officials on the Pennsylvania outbreak. The deployment follows Pennsylvania’s request for federal assistance, known as an (https://www.aljazeera.com/news/2026/9/17/pennsylvania-seeks-cdc-help-amid-dispute-over-us-measles-deaths) Epi-Aid . Pennsylvania has expanded vaccination efforts in affected communities. State health centre staff have administered more than 5,900 measles, mumps and rubella (MMR) vaccine doses at 202 pop-up clinics since the outbreak began in late April. New York Governor Kathy Hochul (https://www.aljazeera.com/news/2026/10/6/new-york-state-declares-measles-disaster-amid-resurgence-of-disease-in-us) declared a statewide disaster emergency on October 5 as measles cases rose in nearby Pennsylvania. The order is effective until November 4 and expands the number of healthcare professionals authorised to administer vaccines and allows nurses greater flexibility to order measles testing. Advertisement    Measles vaccination coverage among US kindergarteners fell from 95.2 percent in the 2019–2020 school year to 92.4 percent in 2025–2026, according to data from the CDC. The agency estimates that about 280,000 kindergarteners are at risk because of gaps in vaccination coverage.            aj-logo             aj-logo             aj-logo       Advertisement          About About   Show more  (https://www.aljazeera.com/about-us) About Us   (https://www.aljazeera.com/code-of-ethics/) Code of Ethics   (https://www.aljazeera.com/terms-and-conditions/) Terms and Conditions   (https://www.aljazeera.com/eu-eea-regulatory/) EU/EEA Regulatory Notice   (https://privacy.aljazeera.net/) Privacy Policy   (https://privacy.aljazeera.net/cookie/) Cookie Policy   (https://www.aljazeera.com/) Cookie Preferences    (https://trust.aljazeera.net/accessibility/) Accessibility Statement   (https://www.aljazeera.com/sitemap) Sitemap   (https://careers.aljazeera.net/) Work for us      Connect Connect   Show more  (https://network.aljazeera.net/en/contact?tid=6) Contact Us   (https://www.aljazeera.com/user-accounts-help) User Accounts Help   (https://commercial.aljazeera.net/) Advertise with us   (https://www.aljazeera.com/stay-connected) Stay Connected   (https://www.aljazeera.com/newsletters) Newsletters   (https://sat.aljazeera.net/en) Channel Finder   (https://www.aljazeera.com/schedule/) TV Schedule   (https://www.aljazeera.com/podcasts/) Podcasts   (https://webapps.aljazeera.net/aje/tips/) Submit a Tip   (https://www.aljazeera.com/sponsored) Paid Partner Content      Our Channels Our Channels   Show more  (http://aljazeera.net/) Al Jazeera Arabic   (https://www.aljazeera.com/) Al Jazeera English   (https://www.ajiunit.com/) Al Jazeera Investigative Unit   (https://www.aljazeeramubasher.net/) Al Jazeera Mubasher   (http://doc.aljazeera.net/) Al Jazeera Documentary   (http://balkans.aljazeera.net/) Al Jazeera Balkans   (http://ajplus.net/) AJ+      Our Network Our Network   Show more  (http://studies.aljazeera.net/en/) Al Jazeera Centre for Studies   (http://training.aljazeera.net/) Al Jazeera Media Institute   (http://learning.aljazeera.net/) Learn Arabic   (http://liberties.aljazeera.com/en) Al Jazeera Centre for Public Liberties & Human Rights   (http://forum.aljazeera.net/) Al Jazeera Forum   (https://hotels.aljazeera.net/en) Al Jazeera Hotel Partners        Follow Al Jazeera English: (https://www.facebook.com/aljazeera) facebook       (https://twitter.com/ajenglish) twitter     (https://www.youtube.com/aljazeeraenglish) youtube     (https://www.instagram.com/aljazeeraenglish/?hl=en) instagram-colored-outline                          (https://www.aljazeera.com/xml/rss/all.xml) rss     (https://bsky.app/profile/aljazeera.com) bluesky     (https://www.tiktok.com/@aljazeeraenglish) tiktok-colored-outline                  (Al Jazeera Media Network logo)   © 2026 Al Jazeera Media Network