Sonora continues to have the second-highest number of measles cases of all of Mexico’s states, after only its neighboring ...

Arizona health officials say there are four confirmed linked measles cases, making it another state with an outbreak.

Health officials in Arizona say there are four linked measles cases in Navajo County, marking the state's first outbreak this ...

The four cases were confirmed in Navajo County. All four cases were people who were not immunized and had recently traveled ...

As super-contagious measles continues to spread and nears a six-year U.S. record, cases in its original epicenter of West ...

Arizona's kindergarten vaccination rates against measles, mumps and rubella are below the required 95% for herd immunity. Yet Republicans continue to look for new ways to weaken childhood vaccine ...

Infectious disease experts are working to find people who may have been exposed to the measles after four cases were ...

We're staying on top of the latest happenings from across the Valley, state, and our nation for June 10, 2025.