H5N1 avian influenza, more commonly known as bird flu, has infected more than 100 million birds in the U.S. and almost 500 ...

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

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

Since the first positive test this summer, the state of California has seen 22 confirmed cases of bird flu in humans.

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

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

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

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

A Canadian teenager is hospitalized in critical condition with suspected bird flu, health officials reported Tuesday.

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

Health officials began providing the safety gear long before the first human case in California was announced in October.

Following a CDC study showing bird flu exposure among dairy workers, health officials recommend increased testing and ...