Test results confirmed that avian flu killed a rare bird at the zoo which is taking precautions to protect other birds.

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

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

Oregon officials announced Wednesday that a severe form of bird flu has been detected for the first time in a pig on a small ...