A newer variant of H5N1 bird flu that recently infected dairy cattle in Nevada has a genetic change thought to help the virus ...

The variant of bird flu that killed a Louisiana resident has now been found in dairy cows. Until now, the human cases of bird flu traced to cattle have been mild, mostly eye infections.

U.S. dairy cattle tested positive for a strain of bird flu that previously had not been seen in cows, the U.S. Department of ...

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