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 ...

Brazilian authorities hope to determine by Tuesday whether a confirmed outbreak of highly pathogenic avian influenza among ...

Brazil is still analyzing a new suspected case of bird flu on a commercial poultry farm, raising concerns the deadly virus ...

As well as last Friday's confirmation of an outbreak of bird flu on a commercial farm in Montenegro, in Brazil's southernmost ...

The most recent infections confirmed by the Centers for Disease Control and Prevention were in early February.

Brazil, the world's largest chicken exporter, ruled out three of seven suspected cases of highly pathogenic avian influenza, ...

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

It's take awhile to iron out the details, but bulk haulers will soon be drawing milk samples from Wisconsin dairy herds to ...

Mexico, Chile and Uruguay have halted poultry imports from Brazil after the country confirmed its first bird flu outbreak on ...