One-fifth of states have active measles outbreaks as confirmed cases nationwide keep ticking up, according to the U.S.

The northern Americas are at “high” risk of measles compared with a “moderate” risk globally, according to the WHO.

A federal health agency says the U.S. has 935 confirmed measles cases this year. That's triple the amount seen in all of 2024 ...

The province of Ontario is reporting 'alarming' new numbers of measles cases, primarily in unvaccinated or under-vaccinated ...

Dr. Hector Ocaranza knew El Paso would see measles the moment it began spreading in West Texas and eastern New Mexico. Highways connect his border city with the epicenter of Texas’ massive outbreak, ...