% who believe it's "very likely" the U.S. will experience a widespread infectious disease outbreak in the next 10 years: U.S. adult citizens: 35% Democrats: 49% Independents: 32% Republicans: 25% ...

According to the Centers for Disease Control and Prevention, as of May 22, 2025, there have been 1,046 confirmed measles ...

The state’s only outbreak started in mid-April in southwestern Gallatin County — Montana’s first measles cases in 35 years. Flathead and Hill counties also have one case each.