Brazil's state of Tocantins has ruled out the occurrence of highly pathogenic avian influenza, known as bird flu, in a local ...

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

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

By Debora Ely and Ana Mano MONTENEGRO, Brazil (Reuters) -Brazilian authorities hope to determine by Tuesday whether a ...

News of the first case of highly pathogenic avian influenza resulted in trade bans by China, the EU and other Latin American ...