The bird flu has been infecting American flocks for years, leading to a series of infections and increased egg prices. But now, there's a new twist: A different strain has been detected in U.S. poultry.

The US Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS) today confirmed more H5N1 avian flu detections in poultry from four states, including several in hard-hit Ohio.

Commercial duck flock in California has tested positive for two strains of avian influenza. On November 23, 2024, two HPAI viruses were identified in samples from a farm rearing meat ducks in Merced County in California. Increased mortality was observed at the premises, leading the state veterinary authority to quarantine the farm.

A subtype of bird flu caused by avian influenza A (H5) virus has been spreading worldwide in wild birds with a few outbreaks in poultry, dairy cows and other mammals across the United States ...

Avian flu is rampant in poultry farms and in wild birds in the U.S. Every mutation brings the virus one step closer to the brink of human-to-human transmission, but predicting whether a virus will cross that threshold remains an uncertain science.

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

As dead and sick birds presumed to have avian influenza continue to appear in Delaware, DNREC officials announced a collaboration with the United States Department of Agriculture to increase collectio

The Indiana State Board of Animal Health confirmed over the weekend the detection of the highly pathogenic avian influenza, also known as the bird flu, at a commercial egg layer in Jackson County.

The human case in the West Midlands was detected after the Animal and Plant Health Agency (APHA) identified an outbreak of bird flu (H5N1) in a flock of birds. UKHSA carried out routine monitoring on people who had been in close contact with the infected birds and were able to detect the case.

Egg prices could go even higher this year, with the USDA predicting consumer costs to rise 20.3% in 2025. That’s despite moderating price growth in other food categories, where costs are rising below the historical average.

Highly pathogenic avian influenza H5N9 has been identified in U.S. poultry for the first time, after outbreak at a commercial duck farm in California.