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 ...

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 ...

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

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.

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 ...

Record high egg prices prompted Nevada lawmakers to unanimously back suspending their cage-free egg law, but the six other states with similar laws in effect have shown no sign of dropping them even ...

Yahoo News provides the latest updates on the spread of bird flu in the U.S. and its effect on rising egg prices and ...