Bird flu H5N1 has infected dozens of people in the U.S. this year. Could it be the next pandemic? Experts explain the threat ...

Health officials were struggling to answer a broader and potentially worrisome question: how the infection occurred.

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

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

Canada’s National Microbiology Lab confirmed the presumptive prognosis after testing genomic sequencing, officials said.

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

A Canadian teen who is in critical condition after contracting H5N1 bird flu was infected with a version of the virus that is different from the one circulating in U.S. cattle.

A teen in British Columbia was hospitalized recently with avian influenza, the first detected human case in Canada.

Initial testing had indicated the teenager’s infection was from bird flu and was confirmed in further testing, the Public ...

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

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

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