If it feels like everyone you know has been knocked out by nausea, vomiting, or diarrhea lately, you’re not imagining it.

Learn more about seasonal flu, including where to get a flu vaccine and how to treat seasonal flu.

Outbreaks of the dreaded norovirus are slower than last season, according to the Centers for Disease Control and Prevention, ...

If you're ill with the "stomach flu," you're not alone. Norovirus is surging across Arizona, is highly contagious and spreads ...

The dreaded norovirus — the "vomiting bug" that often causes stomach flu symptoms — is climbing again in California, and doctors warn that a new subvariant could make even more people sick this season ...