A commercial poultry farm in Maricopa County has confirmed cases of avian influenza, state officials announced Monday.

The affected poultry farm was in quarantine and steps to eliminate the virus were underway, the Arizona Department of ...

Poultry at a Maricopa County commercial farm have tested positive for bird flu. Arizona Department of Agriculture (AZDA) ...

A Maricopa County commercial egg farm has been hit by avian flu affecting more than 2.58 million birds. The Arizona Department of Agriculture reported that a commercial farm in the county had ...

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

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 ...