Across the country, dairy producers have dumped milk and infected chickens have been killed, including millions of egg-laying ...

Experts said it raises new questions about wider spread and the difficulty of controlling infections in animals and the ...

A new H5N1 strain has been spotted in cows and New York is temporarily closing live poultry markets, among other warning ...

A second type of bird flu has been found in U.S. dairy cows for the first time, the U.S. Department of Agriculture announced Wednesday.

While the risk to humans of exposure from cows or milk remains low, this new flu spillover from birds into cows raises the need for continued surveillance.

Until last week, all bird flu in dairy herds had been identified as the B3.13 variant, which was believed to have come from ...