title: From the Centers for Disease control and Prevention. Norwalk-like virus outbreaks at two summer camps--Wisconsin, June 2001.
mesh_terms: D017250:Caliciviridae Infections / Q000453:epidemiology*; D002165:Camping; D004196:Disease Outbreaks; D005759:Gastroenteritis / Q000453:epidemiology* / Q000821:virology; D006801:Humans; D009663:Norwalk virus; D012621:Seasons; D014922:Wisconsin / Q000453:epidemiology