A commercial game bird flock in Lancaster County, Pennsylvania, has tested positive for avian influenza. The July 2 detection ...

The H5N1 avian flu is circulating in cows and other mammals. Whether it will make a permanent leap to humans is another ...

Bird flu was nearly everywhere in the U.S.—in chickens, cows, pet cats and even humans. Cases have gone down, but experts ...

“Given that some lactating cows’ “steal milk” through self-nursing or mutual-nursing, they speculated that “mouth-to-teat” ...