USDA confirms H5N1 bird flu in four black rats in Riverside County, California amid growing mammal infections.

The Highly Pathogenic avian influenza virus is a highly contagious disease that spreads among birds and other animals.

The risk of bird flu to the public remains low, and no poultry were sold at the Union County market that may have been infected, officials said.

The price of eggs at U.S. grocery stores has climbed to a record high, nearly doubling from a year ago, as outbreaks of bird ...

For the first time, the U.S. Department of Agriculture has confirmed the presence of H5N1 avian influenza in rats.

Since 2021, experts have seen bird flu — also called H5N1 influenza or highly pathogenic avian influenza (HPAI) — spreading "fairly quickly" across the wild and domestic bird populations and, now, ...

As the H5N1 bird flu virus continues to spread among animals, the discovery of infected rats in Riverside County provides ...

The proof-of-concept study is one of the first to combine B and T cell analysis and potentially paves the way for tests that ...

It’s clear there’s no reason for optimism that H5N1 will fade away as a minor nuisance. To the contrary, the situation has only been trending worse.

Highly pathogenic avian influenza can be transmitted among farms by wind, according to a recent study that found air-intake ...

U.S. firms have been seeking alternative import markets due to supply constraints, suggesting that other countries besides ...

The latest bird flu detections come as the U.S. Department of Agriculture is trying to rehire bird flu experts​ that were fired as part of DOGE cost-cutting efforts.