Avian influenza, or bird flu, is widespread in wild birds worldwide ... according to the American Hospital Association. The ...

Health officials are making a renewed call for vigilance against bird flu​, but some experts are puzzling over why reports of ...

Avian influenza, or bird flu, is widespread in ... The patient in Louisiana was infected with the H5N1 strain of avian influenza, which is a virus that can infect both birds and mammals.