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 ...

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 ...

The most recent infections confirmed by the Centers for Disease Control and Prevention were in early February.

Brazilian authorities hope to determine by Tuesday whether a confirmed outbreak of highly pathogenic avian influenza among ...