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

During a call with U.S. doctors this month, one CDC official noted that there is a seasonality to bird flu: Cases peak in the ...

By Debora Ely and Ana Mano MONTENEGRO, Brazil (Reuters) -Brazilian authorities hope to determine by Tuesday whether a ...

A new PEARLS article in PLoS Pathogens reviews the rapid evolution and pandemic potential of emerging influenza A viruses, ...