The study was conducted to assess the impact of combined interventions to improve the child immunization coverage in rural hard-to-reach areas of Bangladesh. The valid coverage increased at endline compared to baseline in the study areas, and the difference of the increase was highly significant (p<0.001). The findings also showed that the number of drop-outs, left-outs, and invalid doses decreased at endline compared to baseline in the study areas, and the difference was also highly significant (p<0.001). The immunization coverage improved significantly in all the four study sub-districts that received interventions, although the relative contribution of each intervention is unknown. The interventions can be implemented in all other hard-to-reach areas of Bangladesh and other countries which are facing similar challenges.
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