Measles Cases in US Climb to Highest Number in 33 Years: CDC

The number of confirmed cases in 2025 is the highest in one year since 1992.

A person walks past a sign at a health center where the measles, mumps, rubella (MMR) vaccine is administered, in Lubbock, Texas, on Feb. 27, 2025. Ronald Schemidt/AFP via Getty Images

Confirmed measles cases in the United States have hit the highest number since 1992, according to new data from the Centers for Disease Control and Prevention.

In the United States, so far in 2025, 1,288 cases have been recorded as of July 8, the CDC said in an update on Wednesday.