Brasilia's zoo shut out visitors Wednesday after detecting suspected fatal cases of bird flu in a pigeon and a duck two weeks ...

This undated electron microscopic image provided by the Centers for Disease Control and Prevention shows two Influenza A (H5N1) virions, a type of bird flu virus. SAO PAULO (AP) — Brazil ...

Over the past three years, avian influenza (H5N1) has spread around the U.S. and affected many species of birds and mammals, ...

As bird flu sweeps across US poultry and cattle farms, researchers are racing to find ways to contain the outbreaks before ...

A video from an immigration lawyer offering advice on what rights U.S. citizens and visa holders have if stopped by customs ...

Health officials are making a renewed call for vigilance against bird flu, but some experts are puzzling over why reports of ...

Brazil, as the largest chicken exporter, faces an avian flu outbreak in Rio Grande do Sul, prompting a trade ban from China and restrictions from other nations. Efforts to control the situation are ...

SAO PAULO (AP) — Brazil, one of the world’s largest producers and exporters of poultry, confirmed Friday the country's first bird flu outbreak on a commercial farm. The virus was found at a ...

SAO PAULO (AP) — Brazil, one of the world’s largest producers and exporters of poultry, confirmed Friday the country’s first bird flu outbreak on a commercial farm. The virus was found at a facility ...