US measles cases exceed 4,400, far exceeding last year’s totals

National measles cases this year have now exceeded 4,400, all but guaranteeing the country will more than double the number of measles infections confirmed last year, which totaled 2,289. The latest update from the Centers for Disease Control and Prevention (CDC) on Friday recorded 4,410 total cases in 2026, just a week after the U.S. surpassed last year's total.