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.

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

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

The Centers for Disease Control and Prevention ended its emergency response to bird flu as the outbreak that sickened dozens ...

The seasonal migration of wild birds and the importation of certain US products – such as those containing raw milk – could ...

CDC ends emergency response to H5N1 bird flu, citing decline in cases. Surveillance and readiness to continue under CDC's influenza division.

In a major win for the nation's biosecurity efforts, Australia has been officially declared free from high pathogenicity ...

The U.S. Centers for Disease Control and Prevention ended its emergency response for bird flu as the outbreak that sickened dozens of people, spread to cattle and drove up ...

In a major win for the nation's biosecurity efforts, Australia has been officially declared free from high pathogenicity ...

The CDC ends its emergency response to H5N1 bird flu after recording 70 human cases and one death nationally, even as experts ...