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

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

Brazil, the world's largest chicken exporter, on Friday reported its first case of highly pathogenic avian influenza - also known as bird flu - on a commercial farm, triggering fears over global ...

A USDA testing program has found that cows on Vermont's dairy farms do not have bird flu and that Vermont is unaffected by ...