Over a 14-month period, 70 people in the US were confirmed to have bird flu. But since early February, the number of new ...

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 ...

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 ...

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

In other vaccine news, Health Secretary Robert F. Kennedy Jr. has officially ordered placebo testing on new vaccines, a change that experts claim will be costly and — harkening back to polio vaccine ...

Health officials renew vigilance against bird flu as reported human cases decline. Experts question whether this is due to ...

Brazil, the world's largest chicken exporter, on Friday reported its first case of highly pathogenic avian influenza - also ...

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

Brazil, one of the world’s largest producers and exporters of poultry, has confirmed the country’s first bird flu outbreak on ...