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

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.

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, ...

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

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

Viruses work by taking control of our cells and carefully reprogramming them into machines to make more viruses. Because of ...

The World Health Organization voiced alarm at the growing spread of H5N1 bird flu to new species, including humans, who face an ‘extraordinarily high’ mortality rate. Hong Kong should test for ...

Cases of bird flu have been confirmed in a commercial poultry farm in Yorkshire. All poultry on the premises near Hornsea in the East Riding will be humanely killed, the Department for Environment, ...

Bird flu was detected in a pig at a backyard farm in Oregon. It’s the first time the virus has been detected in U.S. swine. Finding bird flu in a pig raises worries that the virus could become a ...

A pig has tested positive for H5N1 bird flu in a backyard farm in Oregon. Pigs can host both bird and human flu viruses, which can make them a dangerous "mixing bowl." Flu season can also heighten ...