Cumulative measles case counts

More than 3,800 cases have been confirmed this year, outpacing last year's record measles case growth.

Line chart shows cumulative measles cases for 2024, 2025, and 2026 to date, with 2026 data to be updated continuously throughout the year. There were more than 4,000 cases in 2026, which is more than double the same period in 2025, and many more times higher than the same period in 2024.

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Notes: Data current through Oct. 8. Year totals may not match CDC year-end figures due to how weekly case counts are tallied in the first and last week of each year.

Source: CDC

Graphic: Melinda Yao, Joelle Gross and Joe Murphy / NBC News