The first confirmed case of H5N9 bird flu in the United States has been identified in Merced County, California, and control ...

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.

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

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

Health officials also detected a more common H5N1 strain of bird flu on the same farm which is located in Merced County, California. "This is the first confirmed case of HPAI H5N9 in poultry in the ...

From new legislation to a rare outbreak of bird flu or recordbreaking cheese exports, check out the latest ag news.

Bird flu infections around the U.S. have forced mass cullings and resulted in the deaths of zoo animals and pets ...

MERCED COUNTY, Calif. (KSEE/KGPE) – The country’s first case of H5N9 bird flu has been identified in Merced County, California, officials say. This H5N9 strain, which was identified earlier ...

The H5N9 strain of avian influenza is much more rare than the H5N1 which has been responsible for most of the reported human ...