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

The Food and Drug Administration has approved three vaccines for RSV — GSK's GSK.L Arexvy, Moderna's MRNA.O mRESVIA and ...

GRAND CANYON VILLAGE, Ariz. — Cases of two zoonotic diseases, rabies and Hantavirus, have been reported at the Grand Canyon.

ABC15 went inside the Drug Enforcement Administration LARC lab in Phoenix as the agency issues a new warning about ...

A federal judge has temporarily blocked the Trump administration from gutting the U.S. Department of Health and Human ...

A rattlesnake was lurking in leaves when it bit a 72-year-old woman at her Arizona home, fire officials said. Firefighters ...

The last measles outbreak of a similar scale occurred in 2019, when a total of 1,274 cases were confirmed across the country. However, 2025 is shaping up to be the largest outbreak in 25 years. There ...

The flu virus is lingering in Arizona and the season has been vicious. Pediatric flu deaths reached the highest level in recent history.