Cases of Measles in US Surpass 2,000 for First Time in More Than 30 Years

There were 49 measles outbreaks in the country in 2025.

A sign about measles in Seminole, Texas, on April 9, 2025. Brandon Bell/Getty Images

The number of measles cases climbed above 2,000 in the United States in 2025, the Centers for Disease Control and Prevention said on Dec. 31.

As of Dec. 30, state and local officials reported 2,065 confirmed measles cases to the CDC, the agency said in an update on its website.