Lopman, Benjamin A Two epidemiologic patterns of norovirus outbreaks: surveillance in England and wales, 1992-2000. [electronic resource] - Emerging infectious diseases Jan 2003 - 71-7 p. digital Publication Type: Journal Article ISSN: 1080-6040 Standard No.: 10.3201/eid0901.020175 doi Subjects--Topical Terms: AgedCaliciviridae Infections--epidemiologyDisease OutbreaksEngland--epidemiologyFood MicrobiologyGastroenteritis--epidemiologyGeriatricsHospitalsHumansNorovirus--isolation & purificationPopulation SurveillanceResidential FacilitiesWales--epidemiology