05/15/2026 | News release | Distributed by Public on 05/15/2026 13:41
An outbreak of measles in Utah has grown to 663 cases, the state's Department of Health and Human Resources reported May 12. There have been 466 cases diagnosed this year from the outbreak, which began in June 2025. Measles cases have reached a total of 1,893 across the U.S. so far this year, according to the latest data from the Centers for Disease Control and Prevention. Of those, the vaccination status of 92% of cases is classified as unvaccinated or unknown.