H5N1 bird flu is branching out. New data from the Centers for Disease Control and Prevention indicates that a second type of H5N1 has likely spread from dairy cows to humans. The CDC and health ...

Bird flu is here to stay. The H5N1 avian influenza is proliferating among U.S. cows and there are now two strains circulating among mammals and birds. Though there are only 68 confirmed cases in ...

Dairy cows feed at a dairy farm near Corcoran, Calif. Seven out of 10 herds that have been found to be infected with avian flu are in the state. Avian flu, highly contagious and damaging to poultry ...

On America’s large dairy farms, milking is a vast operation, and the potential for disease transmission is worrying, health experts say. On America’s large dairy farms, milking is a vast operation, ...

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.