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 ...

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

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

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 ...

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

There have 873 human H5N1 cases since 2003, but an estimated 53 percent have been fatal. True to its name, avian flu symptoms are flu-like, which means high fever, cough, sore throat, muscle aches ...

The H5N1 bird flu isn’t new. The CDC says the virus was first identified in Southern China in domestic waterfowl in 1996. In 1997, it spread to 18 people in China and Hong Kong.

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 ...

S ince the first human outbreak of H5N1 in Hong Kong in 1997, the disease has cropped up sporadically around the world, almost entirely infecting people who worked directly with poultry. Between ...