The CDC declared the end of its emergency response to H5N1 avian flu as a health threat to humans, David Murray writes.

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

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

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

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

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

A group of researchers says delayed treatment of a type of bird flu now spreading on dairy farms in the United States may ...

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 ...

A pandemic in the animal world. The first highly pathogenic avian influenza virus of subtype H5N1 emerged in China in 1996. Since then, H5 viruses have spread widely in Europe, Africa, North ...

T he discovery of H5N1 bird flu in U.S. cattle — and the news that at least one person in Texas has been infected, apparently through contact with infected cows — has taken scientists who ...