New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.

While H5N1 does not have high mortality rates in dairy cows, the infection causes decreases milk production and milk quality, ...

The CDC has ended its H5N1 bird flu emergency response, but experts urge continued vigilance as the virus remains a threat ...

The U.S. Centers for Disease Control and Prevention (CDC) announced it is streamlining its H5N1 highly pathogenic avian ...