VTEC O157 infection in three nurseries in Preston.
D000328:Adult; D002675:Child, Preschool; D004196:Disease Outbreaks; D004927:Escherichia coli Infections / Q000175:diagnosis / Q000453:epidemiology*; D019453:Escherichia coli O157 / Q000302:isolation & purification*; D005260:Female; D005759:Gastroenteritis / Q000453:epidemiology* / Q000382:microbiology; D006801:Humans; D008297:Male; D009724:Nurseries, Infant; D006113:United Kingdom / Q000453:epidemiology