First U.S. detection of virulent H5N9 strain, at a California duck farm, draws scrutiny as evidence of genetic reassortment ...
Dozens of newly confirmed cases of avian influenza in wild birds and the first verified U.S. case of a new strain of the ...
While the H5N1 bird flu keep spreading, the first reported H5N9 outbreak in the United States has been identified on a duck ...
The California duck farm's strain of H5N9 is different from those earlier cases because this time it is closely related to a ...
The first U.S. H5N9 outbreak has raised concerns as scientists warn of evolving bird flu risks—here's what you need to know about the symptoms.
A new variant of the H5N1 bird flu — the same one that led to the death of a Louisiana man — has for first the first time ...
Two rare bird flu strains have emerged since late January, prompting public health concerns during a freeze on federal health communications.