Nearly 119,000 birds have been culled at a farm in California after a bird flu called H5N9 was detected among the poultry ...

First U.S. detection of virulent H5N9 strain, at a California duck farm, draws scrutiny as evidence of genetic reassortment ...

In today’s Health Alert, a new strain of bird flu - H5N9 - has been detected in the U.S. The first confirmed case was found ...

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 strain of bird flu has been detected on a duck farm in California. The World Organisation for Animal Health reported ...

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 ...

A California duck farm has culled thousands of birds as the virus seems to be trading genetics with other viruses ...

Most of the bird flu cases reported so far in the U.S. have belonged to an influenza subtype known as HPAI H5N1. The newly ...

Two rare bird flu strains have emerged since late January, prompting public health concerns during a freeze on federal health communications.