H5N1 bird flu, also known as avian influenza, continues to spread, with reports of a third human case from an unknown ...

A new antibody therapy effectively protects monkeys from severe H5N1 avian flu, offering hope for a universal flu vaccine and ...

Wisconsin is among 10 states to report human cases of the H5N1 virus so far, with more than half reported in California.

Nearly 119,000 birds have been culled at a farm in California after a bird flu called H5N9 was detected among the poultry.

The recent outbreak of the H5N1 avian influenza virus in the U.S. and the potential for it to mutate has raised concerns ...

Indigenous peoples have been largely excluded from the federal government’s planning for the arrival of H5N1. When will this ...

A rapidly-spreading H5N1 avian influenza, otherwise known as bird flu, has been devastating bird flocks and showing signs of ...

The US Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS) today confirmed H5N1 avian flu ...

A conservation group in Chicago says hundreds of red-breasted mergansers, a species of diving duck that typically winters in the Great Lakes region, have been found sick or dead of ...

Confronting a bird flu outbreak in nature presents unique challenges, as infected animals leave a landscape contaminated, Pa.

A Massachusetts biopharma giant is at the center of preparations already underway if bird flu mutates and begins to find ...

Dozens of newly confirmed cases of avian influenza in wild birds and the first verified U.S. case of a new strain of the ...