U.S. measles cases hit 1,563 in 2025
The CDC says the U.S. has confirmed 1,563 measles cases so far in 2025 â the highest annual total in more than 30 years â spanning 44 outbreaks in 41 states. South Carolina quarantined more than 150 unvaccinated students for 21 days after exposures, Utah reports 55 cases (six hospitalizations) with wastewater indicating wider spread, Arizona has 63 cases, and Minnesota 20; most infections are in unvaccinated people, with about 12% hospitalized and 27% in children under 5.
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đ Key Facts
- CDC: 1,563 measles cases nationwide in 2025; 44 outbreaks across 41 states
- South Carolina: 8 cases since Sept. 25; >150 unvaccinated students quarantined 21 days at two schools
- Utah: 55 cases, six hospitalized; wastewater testing indicates broader transmission
- Arizona: 63 cases; Minnesota: 20 cases in 2025
- Most cases unvaccinated; ~1 in 8 hospitalized; 27% under age 5