The U.S. is up to 1,197 confirmed measles cases this year. Arizona declared a new outbreak last week, while the one in Texas, ...

Boulder County and the state of Colorado last Friday confirmed the first measles case in a county resident in more than a decade. The latest: A fully vaccinated adult became infected and was diagnosed ...

State lawmakers in New Mexico began reviewing their security plans on Monday following the assassination of a high-ranking ...

The measles outbreak in the U.S. is roaring back to life in 2025, with nearly 1,200 confirmed cases across 34 states—a figure ...

In Arizona, the Maricopa County Department of Public Health today said that a person infectious with measles traveled through Phoenix Sky Harbor Airport on June 10 and that the health department is ...