What is a norovirus?

Norovirus is a very contagious virus that causes gastrointestinal illness in humans. read more

Norovirus is a very contagious virus that can infect anyone. You can get it from an infected person, contaminated food or water, or by touching contaminated surfaces. The virus causes your stomach or intestines or both to get inflamed. This leads you to have stomach pain, nausea, and diarrhea and to throw up. read more

Everything to know about the norovirus, the stomach bug impacting the 2018 Winter Olympic Games. read more

Norovirus causes inflammation of the stomach or intestines or both. This is called acute gastroenteritis. The most common symptoms— diarrhea; throwing up; nausea; stomach pain; Other symptoms— fever; headache; body aches; A person usually develops symptoms 12 to 48 hours after being exposed to norovirus. read more