Novel immunization reminder/recall approaches: rural and urban differences in parent perceptions.

OBJECTIVE: To assess the following among parents of young children: (1) preferences about the source of immunization reminder/recall (R/R) messages- (2) the degree of acceptability of different R/R modalities- and (3) factors that influence preferences- including rural and urban characteristics. METHODS: We conducted a survey among parents of children 19 to 35 months old who needed