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

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

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

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

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

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

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

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

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

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

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

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