Subject(s)

Child Day Care Centers , Disease Outbreaks , Disease Reservoirs , Dysentery, Bacillary/epidemiology , Urban Population , Adolescent , Adult , Child , Child, Hospitalized , Child, Preschool , Disease Susceptibility , Dysentery, Bacillary/genetics , Environment , Female , Housing , Humans , Infant , Infections , Kentucky , Male , Ohio , Population Surveillance , Shigella sonnei/isolation & purification , Time Factors