A new strain of bird flu has been confirmed at a duck farm in California, the first time the variant has been discovered in poultry in the United States, an international agency said.
The H5N9 strain of avian influenza is much more rare than the H5N1 which has been responsible for most of the reported human ...
PARIS : A new strain of bird flu has been confirmed at a duck farm in California, the first time the variant has been ...
A decade-old bird flu strain, H5N9, has surfaced in US poultry for the first time, detected in a California duck farm.