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 teenager in British Columbia, Canada has been hospitalized with a presumed case of H5N1 bird flu, the first detected human ...

New CDC research suggests that a small but significant percentage of dairy farmers working near infected cows have recently ...

Rising H5N1 bird flu cases in the U.S. prompted the CDC to study the virus in ferrets, revealing it may have the potential to ...

A teenager in Canada, hospitalized with the country's first case of the H5N1 bird flu, is in critical condition. Health ...

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