How can we monitor the cross-species transmission of avian flu? The answer is FluWarning, a digital system that reports abnormal changes in flu viruses, developed by a research team from the Politecnico di Milano and the University of Milan.

The CDC says bird flu is a disease caused by avian influenza A viruses (H5N1) that usually spread between birds, not people. It occurs naturally among wild aquatic birds. It's very contagious among birds. The virus is shared by infected birds' saliva ...

For the last several months, reports about bird flu have largely quieted -- until now. In the first human bird flu case in the U.S. since February, an older adult in Washington state was hospitalized with H5N5,

Turkeys make up approximately 2% of the entire U.S. poultry inventory, but account for 24% of new cases in commercial and backyard flocks.

Consumers across the Netherlands are facing higher egg prices with no relief in sight as a new bird flu outbreak in Terschuur, Gelderland, tightens supplies in one of the country’s densest poultry regions,