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 ...

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

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

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

Canadian health officials announced Tuesday that a teenager infected with H5N1 bird flu from an unknown source is in critical ...

Shah said the updated precautions are aimed at keeping workers healthy and slowing the spread of the H5N1 virus, known as ...

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

NBC Universal, Inc. The bird flu virus hasn’t yet spread from person to person, the Centers for Disease Control and ...

People have been hearing a lot about H5N1 bird flu — or highly pathogenic avian influenza — since a B.C. teen became the ...

France has stepped up its bird flu risk assessment to 'high' from 'moderate', it said on Friday in a decree that will trigger ...