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 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 ...

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

A hospitalized Canadian teen has health officials in both Canada and the U.S. expressing warnings over bird flu cases.

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

Canadian officials have announced that a teenager in British Columbia has been hospitalized in critical condition with what is believed to be bird flu.

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 ...

Initial testing had indicated the teenager's infection was from bird flu and was confirmed in further testing, the Public ...

When the USDA issued an announcement on Oct. 30 that the worrisome H5N1 bird flu turned up in a pig, I dropped what I was doing to read it. The situation didn’t quite match the nightmare ...