It’s the leading cause of vomiting and diarrhea in the U.S., with multiple suspected outbreaks in Washington state.

To avoid catching the virus, colloquially known as "stomach flu," wash your hands with soap and water, and avoid touching ...

Norovirus is known to be highly contagious, but medical experts are saying they are seeing more cases this year than usual. Norovirus, or a stomach bug, causes nausea, ...