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

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.

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

Health officials are making a renewed call for vigilance against bird ... been found in cats that died. Less is known about milder infections, whether cats can recover from bird flu — or whether ...

Officials said eggs produced after the onset of illness did not enter the food supply, and there are no signs of illness in ...

California had been a hotspot, with three-quarters of the nation's infections in dairy cattle ... found in cats that died. Less is known about milder infections, whether cats can recover from bird ...

Since bird flu was first discovered in U.S. cattle last year, the virus has spread to more than 1,000 herds across the ...

Health officials are making a renewed call for vigilance against bird ... been found in cats that died. Less is known about milder infections, whether cats can recover from bird flu — or whether ...

Brazil, the world's largest chicken exporter, confirmed its first outbreak of bird flu on a poultry farm on Friday, ...