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

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

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 ...

In a monthly zoonotic flu update, the World Health Organization (WHO) said Bangladesh and India have reported new H5N1 avian ...