title: [Norwalk virus and acute gastroenteritis].
mesh_terms: D000208:Acute Disease; D005759:Gastroenteritis / Q000209:etiology* / Q000276:immunology; D006801:Humans; D009663:Norwalk virus / Q000302:isolation & purification / Q000472:pathogenicity*; D014777:Virus Diseases / Q000276:immunology