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

How dangerous is it? Where did it come from? H5N1 influenza’s origins stretch back to the 1990s, and key events paved the way ...

As bird flu sweeps across US poultry and cattle farms, researchers are racing to find ways to contain the outbreaks before ...

Bird Flu Awareness and Risk Level By now, you’ve likely heard news reports about highly pathogenetic avian influenza, HPAI.