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US CDC records more than 2,500 measles cases so far in 2026

By Thomson Reuters Aug 14, 2026 | 9:49 AM

Aug 14 (Reuters) – The U.S. Centers for Disease Control and Prevention said on Friday there were 2,566 confirmed measles cases in the country ​so far this year, expanding the highest ‌annual total in more than 35 years.

Here are some details:

• The overall 2026 figures represent the highest number of U.S. cases in a single year since a major resurgence ‌of ​the highly contagious disease in the ⁠period from 1989 to ⁠1991, with more than 55,000 infections and 123 deaths.

• Measles-related hospitalizations this year stand at 169 so far with zero deaths, compared to 243 ​hospitalizations and three deaths in 2025.

• As many as 93% of this year’s cases were in ⁠unvaccinated individuals or people whose ⁠vaccination status was unknown, with the ​rest having received one or two doses of vaccine before ​being infected, the CDC said.

• Infections were ‌documented by the CDC this year in 45 states along with New York City and the District of Columbia. There have been 38 new outbreaks reported ⁠in 2026, compared to 48 in 2025.

• A South Carolina outbreak had sickened nearly 1,000 people over six months ⁠after it ‌began in October 2025 to become ⁠the largest single-location U.S. outbreak since measles ​was ‌declared eliminated in the United States ​in 2000.

• ⁠A surge in measles cases during the past two years has coincided with a steady slump in MMR immunization rates for children since the start of the COVID-19 pandemic.

(Reporting by Christy Santhosh in Bengaluru; Editing ​by Anil D’Silva)