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Variable: usually 24-48 hours, but sometimes shorter, sometimes longer. Communicable for up to 3 days AFTER symptoms resolve! ...Read more
NoroV Contagion: Whereas the symptoms usually begin 12 to 48 hours after ingesting the virus, there is no evidence that sick persons can become long-term carriers of the virus, but the virus can be in the stool and vomit of infected persons, from the day they start to feel ill to as long as 2 weeks after they feel better." http://www.Health.State.Mn.Us/divs/idepc/diseases/norovirus/basics.Html#duration. ...Read more
Norovirus : Yes. Norovirus is the most common cause of acute gastroenteritis in the United States. According to the CDC Norovirus outbreaks peak during November to April in the United States. The best way to prevent Norovirus is to wash your hands with soap and water frequently, and wash your fruits and vegetables. More tips here from CDC: http://www.cdc.gov/norovirus/preventing-infection.html?s_cid=cs_074 ...Read more
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