There were 1,168 confirmed measles cases in the U.S., the Centers for Disease Control and Prevention said Friday. Health ...

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

The four cases involve people who were not vaccinated against measles, health officials say. Three or more related cases are considered an active outbreak.

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