Maricopa County faces repeated avian influenza challenges as another commercial egg facility reports significant bird ...

Highly pathogenic avian influenza (HPAI) is commonly called “bird flu.” This disease began in the mid-1990s in Asia and has ...

A new study published in Nature Microbiology has uncovered significant genetic and antigenic diversity among H9N2 avian ...

Most available vaccines for avian influenza in chickens are administered ... to the Animal and Plant Health Inspection Service (APHIS) for HPAI response efforts. This was in addition to a previous ...

The H5N1 avian flu virus has affected nearly 1.4 million birds. With the most recent outbreak, three of Arizona's largest layer farms have been infected, leading to the loss of more than 5 million ...

In the last 30 days, the U.S. Department of Agriculture (USDA) has confirmed highly pathogenic avian influenza (HPAI), or H5N1, in: 22 cases in livestock in two states. Access the lists of detections ...

HPAI has had the greatest impact on pullets and egg-laying poultry, where bird housing density is higher, said Dr. Lisa ...

Since the start of the highly pathogenic avian influenza outbreak on Feb. 8, 2022, 171.55 million birds have been affected.

After euthanizing nearly 100,000 ducks following an avian flu outbreak, Crescent Duck Farm, a more-than-a-century-old ...

Nearly 2.26 million commercial laying hens in Arizona have been lost to highly pathogenic avian influenza (HPAI). The United States Department of Agriculture (USDA) Animal and Plant Health Inspection ...