There have been 1,024 confirmed cases of measles across the U.S. so far in 2025, according to the latest data from the Centers for Disease Control and Prevention. Cases have been reported by 30 states, and there have been 14 outbreaks. Most cases (947 of 1,024) are outbreak-associated. The vaccination status of 96% of all cases is classified as “unvaccinated or unknown.” There were 285 confirmed measles cases in 2024. 

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The measles outbreak in Utah that began in June 2025 has grown to 638 cases as of May 5, according to the state’s Department of Health and Human Services. Of…
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A measles outbreak that reached 997 cases in South Carolina has been declared over, as the 42-day threshold with no new reported cases was reached April 26.…
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The Utah measles outbreak has increased to 607 cases, the state’s Department of Health and Human Services reported April 24. Nationwide, there have been 1,792…
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There are now 602 cases in the Utah measles outbreak, the state’s Department of Health and Human Services reported April 14. Of those, 405 cases have been…
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The Utah measles outbreak has increased to 583 cases, the state’s Department of Health and Human Services reported April 7. Of those, 386 cases have been…
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Cases in the Utah measles outbreak have increased to 559, the state’s Department of Health and Human Services reported March 31. The agency said 362 cases have…