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

How dangerous is it? Where did it come from? H5N1 influenza’s origins stretch back to the 1990s, and key events paved the way ...

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

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

Are immigrant farm workers, who have accounted for many of the U.S. cases, more afraid to come forward for testing amid ...

Federal officials tracking bird flu have found the virus on poultry farms, but experts say the outbreaks are not currently a ...

H5N1 is particularly lethal for poultry, often leading to the rapid death of entire flocks. Cattle, on the other hand, have shown a stronger ability to recover. Human infections have remained rare and ...

Bird flu is spreading to dairy farms in our region, according to federal officials tracking the virus. It has been found on ...

Nevada has also reported infections in non-poultry birds. Bird flu has been found ... has prevented more spread of the virus. The CDC is using its flu surveillance systems to monitor for H5 ...