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.

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.

Six more states join national milk testing strategy amid rampant spread of bird flu - Arkansas, Louisiana, Nebraska, New ...