Scientists are racing to understand what a hospitalized teen’s case of bird flu may mean for future outbreaks The teenager ...

The H5N1 strain of bird flu has infected a patient in the first ever confirmed human case of the virus, caused by the H5N1 ...

The genetic sequence of the H5N1 bird flu virus that infected a teenager in British Columbia shows that the virus had undergone mutational changes that would make it easier for that version of H5N1 to ...

Officials suspect wild migrating birds are likely to blame for the first known infection of a flock in Hawaii, which had been the last state in the country with no reported cases in poultry or wild ...

The H5N1 virus that infected a Canadian teen appears not to have spread, but it shows signs of mutation that makes flu ...

As H5N1 bird flu spreads among California dairy herds and southward-migrating birds, health officials announced Friday six ...

Poultry on a commercial farm in England have been infected with the bird flu virus, the U.K. government said Sunday. The H5N1 virus was found in kept birds in St. Ives, a seaside town in Cornwall. All ...

A teenager in British Columbia who is being treated in the critical care unit was confirmed to have been infected with the ...

A teenager in British Columbia has become the first person in Canada to test positive for the deadly H5N1 bird flu. Health ...

People have been hearing a lot about H5N1 bird flu — or highly pathogenic avian influenza — since a B.C. teen became the ...

A teenager in Canada is critically ill with the country's first human case of H5N1 bird flu. Health officials aren't sure how ...

Oregon confirms its first human bird flu case, the latest in dozens of cases in the U.S. this year. Experts discuss the ...