Under new rules, poultry facilities seeking indemnity payments after repeated bird flu infections must show biosecurity precautions

This latest outbreak is part of a broader epizootic that has swept across the United States, affecting not only poultry but also wild birds, mammals, and humans.

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 H9N2 subtypes.

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 United States has reported its first H5N9 bird flu outbreak in California, affecting almost 119,000 ducks. Both H5N9 and the more common H5N1 strains were found. The USDA is conducting investigations and enhanced surveillance,

Due to ongoing sporadic H5N1 avian flu infections and brisk levels of seasonal flu activity, the US Centers for Disease Control and Prevention (CDC) today urged healthcare providers to subtype all influenza A specimens in hospitalized patients, especially those in the intensive care unit (ICU), as soon as possible.

Both H5N9 and H5N1 were detected at the duck farm in Merced County, according to tests conducted by the US Department of Agriculture (USDA) National Veterinary Services Laboratory. The event began on November 23, with clinical signs that included increased deaths in the ducks.

Samples taken from a backyard flock have confirmed the presence of H5N1 bird flu, also known as highly pathogenic avian influenza (HPAI), in Windsor County. This case was confirmed on January 21st by Vermont’s Agency of Agriculture,

The first confirmed case of H5N9 bird flu in the United States has been identified in Merced County, California, and control measures are being undertaken to contain the virus.

PARIS (Reuters) -The United States has reported its first outbreak of H5N9 bird flu in poultry on a duck farm in California, the World Organisation for Animal Health (WOAH) said on Monday.

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

Rose Acre Farms, the nation's second largest egg producer, said yesterday that tests have confirmed avian flu at its facility in Seymour, Indiana, which could further stretch the supply of eggs as commercial farms in several states continue to battle the spread of the H5N1 virus.