Farm workers facing possible arrest would likely resist getting tested for bird flu should there be a resurgence this fall, ...

In other developments, a Chinese research team that studied experimental infections involving different inoculation routes ...

Spain has reported a significant outbreak of the H5N1 bird flu strain at a turkey farm in Extremadura. The avian influenza ...

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 ...

Spain has reported an outbreak of highly pathogenic H5N1 bird flu on a fattening turkey farm in the southwestern region of ...

Spain has reported an outbreak of highly pathogenic H5N1 bird flu on a fattening turkey farm in the southwestern region of Extremadura, the World Organisation for Animal Health (WOAH) said, citing ...

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

Scientists have known for more than a year that bird flu, H5N1, made the jump from wild birds and common poultry to cows and ...

New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.

The CDC ends its emergency response to H5N1 bird flu after recording 70 human cases and one death nationally, even as experts ...