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

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

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

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

Avian flu typically spreads between wild and domestic birds but can spread to other animals and people. There have now been ...

Some rural Kansas counties are offering free flu vaccines targeting farm workers amid an ongoing nationwide bird flu outbreak ...

Health officials on Wednesday confirmed bird flu in a British Columbia teen and said the virus was related to a poultry outbreak in the province.

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.

In other developments, Alveo Technologies announced an agreement with CDC to develop a rapid multiplex test for point-of-need ...

The type of H5 avian influenza was H5N1 ... It’s recommended to receive antiviral flu treatment as soon as possible for people with suspected or confirmed infections. More information and resources ...

Federal health officials have confirmed that a B.C. teen who is currently in hospital has Canada's first human case of H5N1 ...

Researchers have identified new roles for a protein long known to protect against severe flu infection – among them, raising the minimum number of viral particles needed to cause sickness.