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US CDC records more than 3,100 measles cases so far in 2026

By Thomson Reuters Sep 4, 2026 | 10:59 AM

Sept 4 (Reuters) – The U.S. Centers for Disease Control and Prevention said on Friday there were 3,134 confirmed measles cases in ​the country so far this year, marking ‌the highest annual total in more than 35 years.

Here are some details:

• Of the total, 3,118 cases were reported across 47 U.S. jurisdictions, while 16 were among ‌international ​visitors.

• The CDC has recorded ⁠38 new outbreaks this ⁠year compared to 48 in 2025.

• Measles-related hospitalizations this year stand at 248, or 8% of cases, compared with 244 hospitalizations and ​three deaths in 2025.

• The CDC has not included two measles-associated deaths reported by Pennsylvania ⁠on August 25 while ⁠it reviews whether the disease caused ​or contributed to the deaths.

• According to a Reuters ​report, U.S. Health Secretary Robert F. Kennedy ‌Jr. asked his new CDC director to remove a reference to the two deaths from the agency’s online measles tally.

• About 94% of cases ⁠were among people who were unvaccinated or whose vaccination status was unknown.

• The rise in measles cases ⁠over the past ‌two years has coincided with ⁠a steady decline in childhood MMR ​vaccination ‌rates since the COVID-19 pandemic.

• The ​overall 2026 ⁠tally is the highest in a single year since a major resurgence between 1989 and 1991, when more than 55,000 infections and 123 deaths were recorded.

(Reporting by Kunal Das in Bengaluru; Editing by ​Shailesh Kuber)