For months, bird flu was seemingly everywhere in the U.S.: news headlines reported the highly pathogenic H5N1 avian influenza ...

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

The virus, which scientists call H5N1, has spread like wildfire around the globe in recent years, surprising and horrifying ...

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

The U.S. Department of Agriculture is considering vaccination plans to protect poultry and cattle, including dairy cows, from ...