San Diego County is now the fifth location in California to detect the bird flu, county officials announced Monday.

The Centers for Disease Control and Prevention has picked five lab partners to develop a test for avian influenza A (H5N1) — ...

A patient in Missouri who was hospitalized after an infection with bird flu had the H5N1 strain of the virus, the US Centers ...

A close contact of a Missouri resident identified as having a human case of the H5N1 avian flu also became sick around the ...

The convergence of multiple flu strains in one animal can allow new virus strains to form—just as they did in past pandemics.

The Centers for Disease Control and Prevention said Thursday it has yet to identify “a clear source” of infection in a ...

An extensive look at wastewater samples taken across the United States from May to July found traces of the H5N1 bird flu ...

With cold and flu season approaching, it’s worth knowing about another virus out there—albeit extremely rare: bird flu. Like ...

Mysterious US bird flu case in person without any known contact with an infected animal raises spectre of human-to-human ...

This year in the United States, 14 people have tested positive for avian influenza, or bird flu. Nine of those became ...

In a disclosure that can't eliminate the possibility that bird flu may have spread from one human to another for the ...