What are the symptoms of noroviruses?

Many of the noroviruses cause similar symptoms that usually occur between 24 hours and 48 hours after exposure. They include the following:

  • Abdominal pain
  • Body aches
  • Diarrhea
  • Headache
  • Low-grade fever
  • Nausea
  • Tiredness
  • Vomiting

Symptoms typically last 24 hours to 60 hours and subside on their own. There are no known long-term effects after recovery from this infection.

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1. What are noroviruses?
2. What are the symptoms of noroviruses?
3. How common is norovirus infection?
4. How do people come in contact with these viruses?
5. How can these infections be prevented?