Bird flu fears have focused on the poultry and dairy industries and human health. But wild animals are threatened, too—at ...

H5N1 avian influenza has long been a concerning virus. Since its discovery in 1996 in waterfowl, bird flu has occasionally ...

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

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