Health officials in British Columbia, Canada, have failed, for now, to confirm how a teenager there became infected with H5N1 ...

Although infectious disease experts aren’t sounding the alarm yet, they’re analyzing virus data to understand mutations and ...

The H5N1 virus that infected a Canadian teen appears not to have spread, but it shows signs of mutation that makes flu ...

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

B.C. health officials say they still don't know how a teenager became infected with the H5N1 strain of avian flu, but say no ...

As a Canadian teen remains in critical care with an H5N1 avian flu infection in a British Columbia hospital, health ...

A teenager in British Columbia who is being treated in the critical care unit was confirmed to have been infected with the ...

A teenager diagnosed with bird flu in British Columbia is the first domestically acquired human case of H5N1 avian influenza, ...

An investigation into the case of a teenager infected with avian flu in British Columbia has found no new cases or evidence ...

Health officials have announced six more H5N1 bird flu infections in humans: five in California and the first known case in ...

Hospitals had been asked to conduct extra surveillance for possible avian flu cases in the spring and summer after highly ...

The avian flu virus isolated from a hospitalized teenager in Vancouver has mutations in key areas that could help the virus ...