H5N1 bird flu has been circulating in U.S. wildlife since late 2021 but has caused only one human fatality. Now a different ...

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 ...

Type A viruses are the most significant for human and animal health, and they are all descended from avian viruses. The flu A ...

H5N5 is not believed to be a greater threat to human health than the H5N1 virus, which was behind a wave of human infections ...

Rare asymptomatic H5N1 bird flu infections detected in humans. Learn how to stay safe and what experts say about this silent, deadly threat in 2025.

CNN — (CNN) — Searing heat may have played a role in the infections of five workers who fell ill last week while culling a large flock of chickens infected with the H5N1 virus in Colorado, health ...

Are your backyard chickens safe from bird flu? Find out how it spreads, ways to prevent it, and key signs to monitor.

Some people may already have a tiny bit of protection against H5N1 bird flu. Several recent studies have found that those who caught seasonal flus or received flu vaccinations have low levels of ...

First death from H5N5 bird flu recorded in America. Learn how the virus spreads, what the symptoms are, and essential ...

A fter a Western Washington resident became the first human to contract a rare form of avian flu, you may be wondering if you ...

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 ...