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

With 46 U.S. cases and alarming signs of the virus crossing species, experts warn of unpredictable risks if human-to-human ...

Wastewater in several Californian cities, including San Francisco and Los Angeles, recently tested positive for bird flu. But ...

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

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

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

A Canadian teenager infected with bird flu — that country’s first case involving a locally acquired infection — is in ...

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

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

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

The H5N1 strain of avian flu is now passing easily among South America's elephant seals and drastically cutting herd ...

A teen in Canada may be the first person to catch an H5 bird flu virus within the country. Health officials are now working ...