Norovirus is the leading cause of vomiting, diarrhea and foodborne illness in the US, according to the Centers for Disease ...

Norovirus, aka the stomach flu, is surging across the United States as 2025 begins. Here's what to know about norovirus ...

Learn the differences between norovirus, rotavirus, stomach flu and COVID and the best ways to treat each one.

Also known as the "stomach bug" or "stomach flu," norovirus causes acute gastroenteritis, the CDC said, inflaming the stomach ...