There have been 2,318 confirmed measles cases in the U.S. so far this year, the most in the country since 1991, according to the latest data from the Centers for Disease Control and Prevention. There were 2,289 cases in 2025. Cases this year have been reported by 45 jurisdictions. The CDC said that 93% of cases are outbreak-associated. The vaccination status of 93% of cases is unvaccinated or unknown. The agency said that 7% of cases this year have been hospitalized, lower than last year’s figure of 11%.

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The Wisconsin Department of Health Services reported Nov. 5 that an infant died of measles, marking the first measles-associated death in the state since 1990.…
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The New York State Department of Health announced Nov. 2 that a child died of measles amid the state’s ongoing outbreak and is the first known measles…
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There have been 1,398 confirmed cases of measles in Pennsylvania this year, according to data released Oct. 28 by the Pennsylvania Department of Health. Data…
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There are now 1,338 confirmed measles cases in Pennsylvania this year as the state’s ongoing outbreak continues, according to the latest data from the…
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The ongoing measles outbreak in Pennsylvania has reached 1,260 confirmed cases, the Pennsylvania Department of Health announced Oct. 16. Of those, 238…
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The Pennsylvania Department of Health announced Oct. 5 that the state has reached 1,004 confirmed measles cases this year. There have been 27 new positive…