An outbreak of measles in Utah has grown to 663 cases, the state’s Department of Health and Human Resources reported May 12. There have been 466 cases diagnosed this year from the outbreak, which began in June 2025. Measles cases have reached a total of 1,893 across the U.S. so far this year, according to the latest data from the Centers for Disease Control and Prevention. Of those, the vaccination status of 92% of cases is classified as unvaccinated or unknown. 
 

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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…
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A fifth measles-associated death was recorded in Pennsylvania, the state’s Department of Health announced Sept. 30. The department said the individual was…
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The Pennsylvania Department of Health Sept. 15 announced the confirmation of two additional measles-associated deaths, bringing the state’s total to four. The…