The sources of exposure are unclear, but officials said it was almost certainly from contact with an infected waterfowl.

In a news release issued Thursday, State Health Officer Paula Tran expressed her sympathies to the family of the child who died and urged everyone 6 months old and up to get a flu ...

Flu season is here in California, but other illnesses are in full swing in the Golden State. Here are the symptoms and how long you're contagious.

The U.S. Centers for Disease Control and Prevention is asking that people with flu severe enough to require hospitalization ...

Trump's pick for health secretary has a record of attacking vaccines. In fact he's even taken direct aim at bird flu shots.

Highly Pathogenic Avian Influenza (HPAI) has been detected across all U.S. states, with recent cases in El Paso, Galveston, ...