A new mutation and the first severe case of H5N1 bird flu discovered in a human in Louisiana has raised concern among some ...

A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the first severe case of the ...

Keith Poulsen’s jaw dropped when farmers showed him images on their cellphones at the World Dairy Expo in Wisconsin in ...

While dogs are not common carriers of bird flu, they can become infected, especially if exposed to sick or dead birds.

California is the first to declare a statewide emergency, though Colorado Gov. Jared Polis issued a targeted “disaster” alert ...

The CDC said Thursday its analysis of samples from a Louisiana patient with bird flu showed mutations not seen in samples ...