Bird flu headlines include three new human cases, millions of dead birds in poultry flocks and new personnel moves from the ...

A new strain of avian flu, H5N1, has spread to dairy cows and domestic cats in the U.S., with a dairy worker in Nevada ...

Bird flu remains a growing problem across the U.S., and many of us have questions about how serious it is and how worried we ...

On February 5, the US Department of Agriculture said dairy cattle in the United States had tested positive for a particular strain of bird flu that was not previously found in cows.

The virus is spreading with greater speed among animals, with transmission to humans increasing. But risk to the general ...

With so much H5N1 circulating in the U.S., scientists worry we are a few mutations away from a potential human pandemic.

Amid rising respiratory illnesses, a CDC report reveals undetected bird flu cases in US veterinarians. The spread, shown ...

Cartons of eggs for sale at a grocery store in New York last week. (Mary Conlon/AP) ...