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

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 ...

The H5N1 bird flu has been spreading in the U.S. among wild birds, poultry, cows and other animals. Recently, health officials in Canada confirmed that a British Columbia teen had contracted bird flu ...

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

On Nov. 13, the Public Health Agency of Canada's National Microbiology Laboratory (NML) in Winnipeg confirmed that the teen ...

Canadian health officials have confirmed bird flu in a British Columbia teen. The Public Health Agency of Canada said ...

A teenager in British Columbia was hospitalized in critical condition with the disease, and officials were working to find ...

British Columbia health officials have yet to identify a likely source of the infection, though none of the teen's contacts ...

Cases of H5N1 bird flu in U.S. dairy and poultry workers have largely been mild. However, a new case in a British Columbia ...