title: Recurrent institutional outbreaks of acute infectious nonbacterial gastroenteritis: epidemiology and etiology.
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D000328:Adult; D004196:Disease Outbreaks / Q000453:epidemiology*; D004812:Epidemiologic Methods; D005243:Feces / Q000382:microbiology; D005759:Gastroenteritis / Q000175:diagnosis / Q000453:epidemiology* / Q000209:etiology / Q000382:microbiology; D006778:Hospitals, Psychiatric; D006801:Humans; D008607:Intellectual Disability; D008297:Male; D008396:Maryland; D008875:Middle Aged