For the week ending Jan. 25, seasonal flu activity remains high and increasing. Clinical laboratories tested 129,378 ...

Norovirus and the stomach flu aren't the same thing. Here's what doctors wish patients knew, from the American Medical ...

RSV is usually contagious for three to eight days. A patient also may be contagious a day or two before experiencing symptoms ...

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 ...

A pandemic is not inevitable, scientists say. But the outbreak has passed worrisome milestones in recent weeks, including ...

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