Both the Finnish and the U.S. bird flu vaccines are made by CSL Seqirus but are different vaccines. In the summer, U.S. officials stockpiled 4.8 million doses of the vaccine that officials said was ...

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.

Minnesota has declared a state of emergency due to a trifecta of bird flu strains. The state's Department of Agriculture provides more information about how this move can help farmers.

Arkansas, Louisiana, Nebraska, New Hampshire, North Carolina, and West Virginia, bring total number of states in the program ...

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