As the first human case of H5N5 bird flu is confirmed in the US, here are some frequently asked questions about the disease, answered.

The death from bird flu of a person in Washington is a reminder that avian flu is circulating widely during flu season, ...

Scientists have discovered that avian influenza viruses have a gene that makes them incredibly resistant to heat, rendering ...

Avian influenza, also called avian flu or bird flu, is an illness that usually affects only birds. There are many different strains of avian flu: 16 H subtypes and 9 N subtypes. Only those labeled H5, ...

Researchers discovered why bird flu can survive temperatures that stop human flu in its tracks. A key gene, PB1, gives avian viruses the ability to replicate even at fever-level heat. Mice experiments ...

They were admitted to hospital, and on November 14, officials confirmed that tests showed infection with an H5N5 avian ...

The US Centers for Disease Control and Prevention (CDC) has officially ended its H5N1 bird flu emergency response on July 2, 2025, after a gradual decline in reported cases and no new human infections ...

A years-long bird flu outbreak is still impacting many turkey farms, but that doesn't mean it's impacting the turkey you are ...

Bird flu may be particularly severe in humans because it is resistant to one of the body’s most important defence systems, a ...

(CNN) — Here’s a look at avian flu. Avian influenza, also called avian flu or bird flu, is an illness that usually affects only birds. There are many different strains of avian flu: 16 H subtypes and ...