"The Chinese poultry lineage may have experienced more vaccine-driven selection compared to other lineages," the researchers wrote.

Seven Delmarva-region commercial operations have now reported cases of the highly contagious virus.

The first two cases of bird flu on the University of Massachusetts campus were discovered over the weekend when two deceased ...

An infectious disease expert says the relatively mild cases of avian influenza detected so far among dairy workers don’t ...

Staying a step ahead of the avian influenza virus with surveillance, testing and research could mean the difference between a ...

Avian flu is rampant in poultry farms and in wild birds in the U.S. Every mutation brings the virus one step closer to the ...

For the first time since the 2022 countrywide outbreak, bird flu hit a poultry producer in Georgia, the nation’s top state ...

The CDC is calling for expanded testing of bird flu after a child in California tested positive for the virus despite no ...

Backyard chicken enthusiasts are keeping an eye on alerts from the state’s health and agricultural departments after a person ...

The Louisiana patient who contracted what officials said was the nation’s first “severe” case of avian influenza has died, the state health department said Monday. The person who contracted the H5N1 ...

Georgia is the nation's largest poultry producing state. Last week, bird flu was found for the first time in a commercial poultry plant in the state.

A person in Louisiana exposed to bird flu by a backyard flock has died. This marks the first U.S. human death linked to H5N1 ...