The first U.S. H5N9 outbreak has raised concerns as scientists warn of evolving bird flu risks—here's what you need to know about the symptoms.

The newly reported H5N9 strain was found Monday at a duck farm in Merced County, California, according to the World ...

Swine Flu' Strain Has Passed from Humans to Swine Nearly 400 Times Since 2009 July 27, 2023 — A new study of the strain of influenza A responsible for the 2009 H1N1 pandemic -- pdm09 -- shows ...

Bird flu continues to infect animals and humans in the United States, with symptoms that some may struggle to discern from human influenza. Scientists have already identified that the virus ...

Health officials urged people to identify avian flu symptoms early and properly cook chicken and eggs to limit risk of ...

Influenza is high across the country and Kentucky is among the states affected. Here's what we know about how long flu lasts, ...

The spread of H5N1 into new species alarms researchers who say it could reassort in a new species, like pigs, leading to more ...