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We conducted a vaccine coverage survey in Kilifi District, Kenya in order to identify predictors of childhood immunization. We calculated travel time to vaccine clinics and examined its relationship to immunization coverage and timeliness among the 2169 enrolled children (median age: 12.5 months). 86% had vaccine cards available, >95% had received three doses of DTP-HepB-Hib and polio vaccines and 88% of measles. Travel time did not affect vaccination coverage or timeliness. The Kenyan EPI reaches nearly all children in Kilifi and delays in vaccination are few, suggesting that vaccines will have maximal impact on child morbidity and mortality.

Original publication




Journal article



Publication Date





5725 - 5730


Female, Health Care Surveys, Health Services Accessibility, Humans, Immunization Programs, Immunization Schedule, Infant, Infant, Newborn, Kenya, Male, Rural Population, Time Factors, Travel, Vaccination