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

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

TORONTO - Health Canada has authorized three influenza vaccines that could be used if bird flu became a pandemic, the agency says.

H5N1 avian influenza, more commonly known as bird flu, has infected more than 100 million birds in the U.S. and almost 500 ...

The teenager was healthy before developing symptoms and is not known to have any contact with infected animals, health ...

Hawaii is the only US state that hasn't reported H5N1 avian flu in birds or animals. The state hasn't reported any recent ...

Hawaii is the only US state that hasn't reported H5N1 avian flu in birds or animals. The state hasn't reported any recent ...