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 state will provide updates online on Tuesdays and Fridays. The deaths of two children have been linked to the measles ...

The U.S. logged fewer than 30 measles cases this week as Ohio health officials confirmed three outbreaks in two counties were ...

As super-contagious measles continues to spread and nears a six-year U.S. record, cases in its original epicenter of West Texas may be subsiding as hesitant residents become more concerned and willing ...

The U.S. logged over 1,100 measles cases in 2025, driven by outbreaks in undervaccinated communities, with vaccination ...

New Mexico added two cases in the past ... Colorado has seen a total of 12 measles cases in 2025, which includes one outbreak of seven related cases. The outbreak is linked to a Turkish Airlines ...

Other U.S. states with active outbreaks — which the CDC defines as three or more related cases — include Arizona, Colorado, Illinois, Kansas, Montana, New Mexico, North Dakota and Oklahoma. Measles is ...