Per CDC:
Norovirus is a very contagious virus that causes vomiting and diarrhea.
It is sometimes called the "stomach flu" or the "stomach bug." However, norovirus illness is not related to the flu. The flu is caused by the influenza virus. Norovirus causes acute gastroenteritis, an inflammation of the stomach or intestines.
Most people with norovirus illness get better within 1 to 3 days; but they can still spread the virus for a few days after.
Key points
Norovirus is the leading cause of vomiting and diarrhea, and foodborne illness in the United States.
People of all ages can get infected and sick with norovirus.
Proper handwashing and other simple steps can help prevent getting and spreading norovirus.
How it spreads
Norovirus spreads very easily and quickly in different ways. You can get norovirus by:
Having direct contact with someone with norovirus, like caring for them, sharing food or eating utensils with them, or eating food handled by them.
Eating food or drinking liquids that are contaminated with norovirus.
Touching contaminated objects or surfaces and then putting your unwashed fingers in your mouth.
You can still spread norovirus for 2 weeks or more after you feel better.
To learn more visit: About Norovirus | Norovirus | CDC
