US Measles Cases Top 4,000 in 45 States: Worst Since 1991
US measles cases passed 4,000 in 2026, with infections in 45 states and DC, CDC data show. The numbers, the hotspots and what the data cannot say.
US measles cases passed 4,000 in 2026, with infections in 45 states and DC, CDC data show. The numbers, the hotspots and what the data cannot say.