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, ...

Both zoos shut their doors on May 13 after a tigress named Shakti tested positive for the H5N1 strain of avian influenza and ...

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

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

In Australia, low pathogenicity avian influenza viruses are naturally carried by wild birds, particularly ducks, often ...

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 ...