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

Health officials in Navajo County in northern Arizona say they've confirmed four measles cases, which are the first cases of ...

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

Waning immunization rates mean Arizona schoolchildren are more vulnerable to vaccine-preventable diseases such as whooping ...

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.