It's an unusual winter for respiratory illnesses. The flu is peaking twice: once in early January and again in February.

Authorities in San Mateo County urged residents to take precautions after two cases of bird flu were detected in the county.

After bird flu was detected in a stray cat in Half Moon Bay this week, health officials in San Mateo County are urging pet ...

Two state health departments have issued new guidance on testing for the bird flu, following a CDC advisory, even as it says ...

The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike ...

San Mateo County public health officials reported finding H5N1 bird flu in a pet cat and a backyard poultry flock.

With data showing a significant rise in flu cases nationwide, medical experts are describing it as the worst flu season since ...

Local health officials are warning about a second wave of the flu, with rising infection rates reported by the CDC.

Chappell Roan Comes Back Swinging After Music Exec Criticises Her Grammys Speech Post Malone Is Releasing an Album of Nirvana ...

Outpatient health care visits for flu-like illnesses are at their highest levels in 15 years, according to data updated ...

The U.S. influenza rate is at or near its highest level in at least 15 years and is still on the rise, the U.S. Centers for ...

Flu has surged to high levels across the US, straining hospitals. Experts discuss 2024-25 flu season trends, symptoms to ...