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 ...

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 ...

WASHINGTON — When traces of H5N1 bird flu showed up in cow’s milk last year, it raised fears that the virus could become more infectious to humans. So far, that hasn’t happened, virologist Richard ...

LONDON -- A new theory proposes that mad cow disease may have come from feeding British cattle meal contaminated with human remains infected with a variation of the disease. The hypothesis, outlined ...

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 ...

She had just graduated from college when the frightening symptoms started to surface. The vivacious, easygoing 22-year-old suddenly became inexplicably irritable and short-tempered. Then her memory ...