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. U.S. authorities also detected the more common H5N1 strain on the same farm in Merced County,

The H5N1 Avian influenza is decimating bird populations around the world. More than 136 million birds have been affected in the US since the disease arrived in 2022. More than 5 million egg-laying chickens died in the first 16 days of 2025.

Avian influenza, commonly known as bird flu, is suspected to be spreading among wild birds in Stark County, according to ODNR.

A rare case of human bird flu has been detected in England, but does the highly contagious disease have pandemic potential?

Bird flu is spreading in Connecticut.

The first Washington State case of avian influenza, or bird flu, for 2025 has been confirmed in Franklin County.

The risk to the general public remains low, authorities said, after someone was infected with bird flu while in close contact with birds. View on euronews

There are many variations of bird flu, also known as avian flu and although humans can be affected by it, it depends on the strain - here is advice from the NHS