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

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.

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

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