Other U.S. states with active outbreaks — which the CDC defines as three or more related cases — include Arizona, Colorado, ...

Officials report a surge in measles, urging vaccinations and caution, with 1,227 US cases and local Arizona alerts.

Health officials in Navajo County in northern Arizona say they've confirmed four measles cases, which are the first cases of the highly contagious respiratory virus in Arizona in 2025. The ...

KENTUCKY (AP) — Kentucky has its first measles outbreak of 2025, as the U.S. case count sits just short of a 30-year high.

Measles is caused by a highly contagious virus that’s airborne. It is preventable through vaccines and has been considered ...

Fewer than a third of Arizona classrooms have herd immunity against measles, even as a deadly outbreak spreads. But there's something we can do.

The new COVID-19 variant, called Nimbus, has similar symptoms and recovery to the Omicron strain. It hasn't been detected in ...

Maricopa County health officials are warning the public about a measles exposure at Sky Harbor Airport June 10.

There have been 1,214 confirmed measles cases this year, the Centers for Disease Control and Prevention said Friday.

The announcement from the Navajo County Public Health Services District June 9 came amid a national surge of measles, with 1,168 cases reported to the U.S. Centers for Disease Control as of June 6 ...

Kentucky has its first measles outbreak of 2025, as the U.S. case count sits just short of a 30-year high. There have been ...