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In Utah, still a national hotspot, measles cases hit 663

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In Utah, still a national hotspot, measles cases hit 663

May 13, 2026 | 5:21 pm ET
In Utah, still a national hotspot, measles cases hit 663
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Vials of measles, mumps and rubella vaccine are displayed on a counter at a Walgreens Pharmacy on Jan. 26, 2015. (Photo by Illustration Justin Sullivan/Getty Images)

With at least 663 measles cases confirmed, Utah continues to be a national hotspot — but the state’s outbreak, while still active, appears to be tapering. 

As of the Utah Department of Health and Human Services’ last update to the state’s measles tracker on Tuesday, so far 466 Utahns have been diagnosed with measles so far this year — on top of 197 diagnosed last year. 

Over the last three weeks, the number of Utahns with measles reported to public health officials was 37. That’s compared to 121 during a three-week span leading into April, when Utah’s measles outbreak became the most active in the U.S. after South Carolina’s outbreak tapered. 

Utah now ‘epicenter’ of U.S. measles outbreak

Utah’s ongoing measles outbreak is the biggest the state has seen in more than 40 years, Utah epidemiologist Leisha Nolen has said. 

According to Utah’s measles dashboard, the biggest hotspots in the state include:

Of the state’s 663 confirmed cases, 51 people have been hospitalized. About 430 are under the age of 18, while 233 are adults. 

The state reported 567 Utahns who have been diagnosed with measles were not vaccinated, while 64 were, and 32 have an unknown vaccination status.  

On the state’s website, Utah health officials maintain a running list of “exposure locations” where Utahns may have come into contact with a person infected with measles. 

“Because measles is spreading in Utah, there may be other exposures or exposure locations that we are unaware of and are not listed here,” state health officials say on the state’s exposure locations website. “As soon as a new exposure location is confirmed, we add it to the list below. The list is updated throughout the week. If you have questions about any of the exposure locations, contact your local health department.”