The U.S. is having its worst year for measles in more than three decades as childhood vaccination rates decline.

Utah health officials have confirmed two new cases of measles in children in Southwest Utah, bringing the total number of cases in Utah for this year to 13 cases.

Arizona health officials have reported nine cases of measles in the last two weeks in the Colorado City area. Mohave County ...

As measles surged in Texas early this year, the Trump administration’s actions sowed fear and confusion among CDC scientists that kept them from performing the agency’s most critical function — ...

What do we know about the increase in measles outbreaks in 2025, and what are the factors to which experts are attributing this increase?

Indonesian authorities have rolled out a vaccination campaign in response to an outbreak that has caused 17 deaths.

As measles surged in Texas early this year, the Trump administration’s actions sowed fear and confusion among CDC scientists ...

Measles is considered the most contagious disease on earth and can live in the air for up to two hours after the infected ...

The Texas outbreak started in a Mennonite community in Gaines County where vaccination rates are low. State health officials ...

At least two unvaccinated children died during the outbreak that started in late January. More than 760 people got sick. KFF ...