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

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. But the U.S.

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