What Is It?

Noroviruses are a group of viruses that cause gastroenteritis in people. Gastroenteritis is an inflammation of the lining of the stomach and intestines.

Noroviruses are very contagious and can spread easily from person to person. Noroviruses are found int he stool or vomit of infected people. People can become infected with the virus in several ways:

  • By eating food or drinking liquids that are contaminated with norovirus.
  • By touching surfaces or objects contaminated with norovirus and then placing their hand in their mouth.
  • By having direct contact with another person who is infected and showing symptoms (for example, when caring for someone with illness or sharing foods or eating utensils with someone who is ill).