"The Chinese poultry lineage may have experienced more vaccine-driven selection compared to other lineages," the researchers ...

Seven Delmarva-region commercial operations have now reported cases of the highly contagious virus.

Avian flu is a common illness among birds, but it can spread to humans and other mammals. The virus is shed through ...

When a pathogen — any organism that causes a disease — jumps species, scientists get nervous because its genetic makeup can ...

The first two cases of bird flu on the University of Massachusetts campus were discovered over the weekend when two deceased ...

Georgia is the nation's largest poultry producing state. Last week, bird flu was found for the first time in a commercial poultry plant in the state.

A patient in Louisiana has died from avian influenza in what authorities consider to be the first severe H5N1 infection in a ...