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

Wastewater in several Californian cities, including San Francisco and Los Angeles, recently tested positive for bird flu. But ...

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

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

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

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

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 ...

Canada has reported H5N1 bird flu in wildlife and domestic birds. This year, there have been at least 24 reports of the virus ...

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

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

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