US Measles Cases Surge to Highest Levels in 6 Years

There were 1,277 reported cases of the measles virus as of July 4, data from Johns Hopkins show.

This undated image made available by the Centers for Disease Control and Prevention on Feb. 4, 2015, shows an electron microscope image of a measles virus particle, center. The Canadian Press/AP-Cynthia Goldsmith/Centers for Disease Control and Prevention via AP

The number of measles cases in the United States has reached a multi-year high, so far in 2025, according to data provided by Johns Hopkins University’s outbreak response center.

As of July 7, there have been 1,277 reported cases of the virus, according to figures released by the Maryland-based medical school. That surpasses the previous record of 1,274 cases in 2019.