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

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

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

British Columbia health officials have yet to identify a likely source of the infection, though none of the teen's contacts ...

Canada has reported H5N1 bird flu in wildlife and domestic birds. This year, there have been at least 24 reports of the virus ...

A teenager has been left in critical condition after contracting the first presumptive human case of avian influenza in ...

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

Canada has detected its first presumptive case of H5 bird flu in a person, a teenager in the western province of British ...

"We are conducting a thorough investigation to fully understand the source of exposure here in B.C.," British Columbia Health ...

Investigations are underway after a teenager from British Columbia, now receiving care in hospital, was infected via an ...

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

NBC Universal, Inc. The bird flu virus hasn’t yet spread from person to person ... One blood test on a household member of ...