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

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

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

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