Box Elder County declared a local emergency after an H5N1 outbreak affected dairy farms, resulting in severe milk production ...

Los Angeles County health officials have documented the first known transmission of highly pathogenic avian influenza A(H5N1) ...

The Centers for Disease Control and Prevention said Thursday that testing of a person with a severe case of bird flu indicated the virus had mutated when compared with samples taken from infected ...

A potential case of bird flu jumping from a domestic cat to a human has been documented for the first time. The U.S. Centers for Disease Control and Prevention (CDC) confirmed in a study published May ...

Moderna surged as investors turned eyed potential demand for a vaccine to protect against bird flu after the US reported its ...

The Trump administration has intervened in the release of important studies on the bird flu, as an outbreak escalates across the United States. One of the studies would reveal whether veterinarians ...

Australia confirms its first case of H5N1 bird flu in a seabird near Esperance, Western Australia, meaning the virus has now reached every continent.

Federal health officials on Thursday called for more testing of employees on farms with bird flu after a new study showed that some dairy workers had signs of infection, even when they didn't report ...

On a remote beach near Esperance, Western Australia, two sick seabirds have brought the bird flu crisis to Australia. Testing has confirmed highly pathogenic avian influenza (HPAI) H5N1 in a brown ...