H5N9 is “not commonly seen in poultry in general,” says Eman Anis, assistant professor at the University of Pennsylvania ...

N ow that bird flu has been detected in animals in all 50 states, and nearly 70 cases have been confirmed in people, health ...

Kavya Beheraj/Axios Dozens of newly confirmed cases of avian influenza in wild birds and the first verified U.S. case of a new strain of the virus are raising concern that the bird flu crisis may be ...