Officials suspect wild migrating birds are likely to blame for the first known infection of a flock in Hawaii, which had been ...

Sequencing shows that the virus is similar to the type infecting British Columbia poultry, as H5N1 strikes more large poultry ...

A child in California has tested positive for bird flu, and is recovering at home with mild upper respiratory tract symptoms, ...

Hospitals had been asked to conduct extra surveillance for possible avian flu cases in the spring and summer after highly ...