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

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 Canadian teen in critical condition with bird flu, or H5N1, reportedly had no known prior exposure to the infection before the diagnosis.

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

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

Another cause for concern: flu season is underway in the U.S., and as seasonal influenza virus goes around, “humans, ...

A teenager in British Columbia is in critical condition after being exposed to H5N1 bird flu. The source of the virus has not ...

A teenager is in critical condition in a British Columbia children’s hospital with what is likely Canada’s first human case ...

British Columbia health officer Dr. Bonnie Henry shared in a news conference that a teenager, who contracted the first ...

A teenager has been left in critical condition after contracting the first presumptive human case of avian influenza in Canada. Expert Sam Scarpino discusses the health risk and potential for spread.

Pfizer and Moderna are hustling to develop an mRNA bird flu vaccine, the same technology used in the companies' respective COVID-19 vaccines.

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