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

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 ...

With 46 U.S. cases and alarming signs of the virus crossing species, experts warn of unpredictable risks if human-to-human ...

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

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

A teenager in British Columbia is critically ill with Canada's first case of the H5N1 bird flu strain. While the virus has ...

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

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

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

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

A teen in Canada may be the first person to catch an H5 bird flu virus within the country. Health officials are now working ...