According to a new study, an evolutionary shift around 2020 helped the bird flu virus adapt better to wild birds.

The CDC says bird flu is a disease caused by avian influenza A viruses (H5N1) that usually spread between birds, not people. It occurs naturally among wild aquatic birds. It's very contagious among ...

The latest update from the US Department of Agriculture's Animal and Plant Health Inspection Service (APHIS) notes that more ...

It was a quiet summer for bird flu: Egg prices fell a bit, fewer sick poultry flocks were culled on farms, and officials took a breath. “It was lovely,” said Shauna Voss, the assistant director of the ...

A dangerous type of bird flu virus (called H5N1) continues to circulate among dairy cows in the US. The virus targets the mammary gland's milk-secreting epithelial cells, causing painful infections in ...

US reports 1st human case of H5N5 bird flu strain in Washington state, with officials confirming no human-to-human transmission so far.

PORTLAND, Ore. (KOIN) – A case of highly pathogenic avian influenza has been confirmed in Wallowa County, the Oregon Department of Agriculture announced Monday. The case was detected in a backyard ...

Pasteurization completely inactivates the H5N1 bird flu virus in milk — even if viral proteins linger. Drinking properly pasteurized milk contaminated with avian influenza remnants won’t increase ...

A brand of raw milk and cream products has been recalled across California after the H5N1 bird flu virus was detected in samples.