When the deadly H5N1 bird flu virus made its first appearance at a U.S. poultry farm in February 2022, roughly 29,000 turkeys at an Indiana facility were sacrificed in an attempt to avert a larger ...

The poultry affected had highly pathogenic H5 avian influenza (HPAI) of the Eurasian lineage 2.3.4.4b with early indications that the virus is the D1.1 genotype found in wild birds; however ...

Bird flu has migrated to nearly every U.S. state over the past 2.5 years. There have been nine cases among poultry and dairy workers since March, including the Colorado poultry workers.

New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.

Learn about the ongoing battle against Marek's disease, its immunosuppressive effects, and cutting-edge vaccine technologies protecting broiler health.

The U.S. Department of Agriculture is considering a potential plan to vaccinate poultry against bird flu for the first time that includes evaluating how it would affect exports, the agency told ...

The nationwide outbreak of the highly pathogenic H5N1 bird flu is being blamed for the soaring egg prices at grocery stores and restaurants, according to the latest USDA report.

Birds from the affected flock will not enter the food system," the release said. The contagious airborne virus can affect poultry like chickens, ducks and turkeys, and wild birds like ducks, geese ...

Other birds are considered non-poultry. Here are the Pennsylvania counties with confirmed bird flu cases in 2025. January Lehigh: Jan. 28. Production: WOAH poultry. Birds affected: 48,000. Monroe ...

An outbreak of highly pathogenic avian influenza has led to the destruction of 786,600 broiler chickens at a Tulare County ranch, marking the second poultry outbreak in about a month in the ...

In February 2023, 89,800 poultry animals were in an outbreak in a Leake County commercial broiler production facility. In November 2022, 34,400 birds were in a outbreak at a Lawrence County ...

The latest outbreak of H7N9 in the United States, detected on a farm of 47,654 commercial broiler breeder chickens in Noxubee, Mississippi, was confirmed on March 13, the Paris-based World Animal ...