Measles cases in the U.S. have reached a 33-year high, according to data from the Johns Hopkins University Center for Outbreak Response Innovation (CORI). The center reports that there are now 1,277 ...

In the United States, more than 1,000 cases have been reported to the Centers for Disease Control and Prevention in 2025.

There have been 1,227 confirmed measles cases this year, the Centers for Disease Control and Prevention said Wednesday.