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

While the H5N1 bird flu keep spreading, the first reported H5N9 outbreak in the United States has been identified on a duck ...

Dozens of newly confirmed cases of avian influenza in wild birds and the first verified U.S. case of a new strain of the ...

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 ...

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

The California duck farm's strain of H5N9 is different from those earlier cases because this time it is closely related to a ...

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 ...

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

A new strain of highly pathogenic bird flu (H5N9), which has never been seen in the United States before, was recently discovered on a duck farm in ...

Experts stressed that the new strain did not itself appear to be an immediate human threat. But the rise of a new strain is troubling and points to the risk of a viral phenomenon known as ...