Efforts to contain the virus are falling short. A teenager in Canada is in critical condition after an unexplained infection.

The developing avian influenza panzootic and the growing possibility of a pandemic bring to the fore the existential ...

A World Health Organization official on Thursday called for stronger surveillance in animals for evidence of infection with ...

Sheldon H. Jacobson Dr. Janet A. Jokela from the Carle Illinois College of Medicine write of increasing concern surrounding ...

A child is home and recovering after a possible case of bird flu in Alameda County, California, according to the California ...