The vaccine will offer protection against H5N1 and is projected to be effective against future viral mutations.

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

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

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