SAO PAULO -Brazil, the world's largest chicken exporter, ruled out three of seven suspected cases of highly pathogenic avian influenza, commonly known as bird flu, officials told a press conference on ...

During a call with U.S. doctors this month, one CDC official noted that there is a seasonality to bird flu: Cases peak in the ...

MONTENEGRO, Brazil (Reuters) -Brazilian authorities hope to determine by Tuesday whether a confirmed outbreak of highly pathogenic avian influenza among wild birds in a zoo in the southern state of ...

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