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 ...

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 ...

Bird flu was nearly everywhere in the U.S.—in chickens, cows, pet cats and even humans. Cases have gone down, but experts ...

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

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

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

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.

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 ...

Rising H5N1 bird flu cases in the U.S. prompted the CDC to study the virus in ferrets, revealing it may have the potential to ...