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

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 ...

A new strain of a highly pathogenic and rare strain of bird flu has been reported on a duck farm in central California.

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

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

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 ...

H5N9 is a rare subtype of the influenza A virus that can cause highly pathogenic avian influenza (HPAI), also known as bird flu. It's a reassortment strain that originated from the H5N1, H7N9, and ...