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 ...

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

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 ...

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

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

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

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 ...

It's not clear how the British Columbia teenager picked up the virus, which has been detected recently in wild birds and ...

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