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

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

In a case that continues to confound scientists, U.S. health officials said Thursday that they still don't know how a ...

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

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

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 ...

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

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