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

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 has picked five lab partners to develop a test for avian influenza A (H5N1) — ...

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

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

There is no current threat of the bird flu becoming a pandemic, but the partnership aims to prepared for any situation.

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

Federal officials are still trying to determine how a Missouri resident with no known exposure to bird flu, contracted the ...

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

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