The federal Department of Health and Human Services is pulling support for Moderna’s work on a potential bird flu vaccine, ...

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 ...

Federal and state authorities confirmed a case of highly pathogenic avian influenza in a poultry market but also see a "downward trend" in reports.

The puzzling halt in reported human bird flu cases has prompted health officials to renew calls for vigilance, even as ...

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 ...

SAO PAULO — Mexico, Chile and Uruguay have halted poultry imports from Brazil after the country confirmed its first bird flu outbreak on a commercial farm, authorities said Saturday. On Friday ...

SAO PAULO — 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 ...

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 ...