The availability of infected bird carcasses has also contributed to spillover into mammals. Cases have been described in more ...

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 ...

The first death caused by H5N1 bird flu was reported in January 2025. Some believe the virus could eventually pose a ...

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

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

Egg prices declined in April for the first time in months, per the April consumer price index, as efforts to boost supplies ...

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 ...

Avian flu virus, also known as bird flu, continues to affect poultry producers around the globe and US dairy farms in 2025 ...

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 ...