Avian influenza is no longer just an animal health issue, with rising mammal cases and severe ecosystem, trade, and food ...

The European Union, China and Canada have suspended poultry imports from the South American country.

Nearly 2.26 million commercial laying hens in Arizona have been lost to highly pathogenic avian influenza (HPAI). The United ...

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

Brazil recently ruled out three suspected bird flu cases but continues to investigate others, particularly in commercial ...

New cases of avian flu are being reported in Pennsylvania for the first time in nearly two months. According to the Centers for Disease Control, an outbreak ...

Brazil faces export challenges after HPAI outbreak, with major markets like China suspending poultry imports. Learn about the ...

Preliminary tests indicate a commercial chicken farm in Brazil's state of Tocantins is free from bird flu, the state's farm ...

Australia is surrounded by the deadly H5N1 strain of bird flu. And it is morphing as sea animals and birds bring it ever ...

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

Vaccinating more animals could help tamp down outbreaks like the bird flu infections that have hit Brazil's poultry trade ...

It has crossed species barriers—moving from birds to foxes, seals, cats, and now dairy cattle—where the economic, agricultural, and trade implications of viral spread are profound. The emergence of ...