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 ...

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

Outbreaks of bird flu in mammals more than doubled across the world last year, raising the risk that the virus could ...

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 ...

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

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 ...