Further cases in poultry — both commercial and backyard flocks — have been recorded in nine more European states.

For the first time, birds in a Wayne County backyard flock have been sickened by the highly pathogenic H5N1 avian influenza ...

Avian flu is rampant in poultry farms and in wild birds in the U.S. Every mutation brings the virus one step closer to the ...

In the last year the disease has spread to other animals, like cows and even big cats, experts says that outbreaks are more ...

A City of Vancouver spokeswoman said bird flu represents a ‘real and present risk’ to backyard chickens, although no ...

Bird flu is a disease caused by avian influenza A viruses, according to the CDC. The virus mostly spreads between birds and ...

Scientists and volunteers with the Olympic Cougar Project said they have the opportunity now to study bird flu in wild ...

The virus was detected in a backyard flock in the U.S. territory, as well as in commercial poultry in Maryland and two ...

The CDC is calling for expanded testing of bird flu after a child in California tested positive for the virus despite no ...

The Lincoln-Lancaster County Health Department reported Thursday that H5 avian influenza has been detected in a local ...

An ostrich farm in B.C.'s West Kootenay has been ordered to cull its entire herd of 400 birds after the Canadian Food ...

Health officials say the consistent, very low-level detections indicate a high likelihood that H5 bird flu virus is on Kauai.