Nosocomial rotaviral diarrhea: Pattern of spread on wards in a children's hospital

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Abstract
Noscomial gastroenteritis in a 315-bed hospital for children was examined prospectively from January 11 through May 31, 1985. There were 85 cases of nosocomial diarrhea during the study period, and these were identified on each of the 13 hospital wards. Rotavirus was identified in 40% of cases. Incidence of nosocomial rotavirus was highest on wards where most children were less than 2 years of age, except for the infectious diseases (isolation) ward (0.24 versus 2.30 cases per 100 admissions, p= 1.70 × 10−4, Fisher exact test). The lower incidence on the infectious diseases ward occurred despite the greater potential for exposure to rotavirus, since 70% of children admitted with community-acquired rotavirus diarrhea were placed on the infectious diseases ward. Better infection control, especially hand washing, aided by the structure of the infectious diseases ward, may have been responsible for this difference.