A teenager has been left in critical condition after contracting the first presumptive human case of avian influenza in ...

No evidence of human transmission, but virus found in increasing number of animals World Health Organization says H5N1's risk ...

There have been dozens of confirmed human cases of bird flu in the U.S. this year. Experts discuss the symptoms, risks and ...

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

Another cause for concern: flu season is underway in the U.S., and as seasonal influenza virus goes around, “humans, ...

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

A Canadian teenager is currently in critical condition after contracting a suspected case of H5N1 bird flu, a British ...

Canadian health officials announced Tuesday that a teenager infected with H5N1 bird flu from an unknown source is in critical ...

A Canadian teenager is hospitalized in critical condition with suspected bird flu, health officials reported Tuesday.

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

A Canadian teenager infected with bird flu — that country’s first case involving a locally acquired infection — is in ...

A Canadian teen is hospitalized in critical condition with what is believed to be bird flu. British Columbia health officials ...