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

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

A New Hampshire resident has been diagnosed with the third known case of clade I mpox in the United States. Officials with ...

With respiratory illness season at its peak, the latest CDC data shows a significant rise in flu cases nationwide, while ...

Live poultry markets in New York City raced to sell off all their chickens and other fowl Friday after seven cases of avian ...

The flu has forced schools to shut down in some states. NEW YORK (AP) — The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.

Florida experiences "very high" flu activity, causing public health concerns and prompting calls for vaccinations and early ...

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

Low vaccination rates may be contributing to the spread of flu, but data suggests the number of cases so far this season is ...

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 ...