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Table 4 Proposed Areas of Additional Research

From: Too little but not too late: Results of a literature review to improve routine immunization programs in developing countries

1. Integration and collaboration
   ▪ How feasible and cost-effective is it to integrate other services with routine immunizations?
   ▪ In what circumstances should integrated programs be considered?
   ▪ What are optimal services or packages of services to integrate with routine immunizations?
   ▪ Can an increased role for private providers and non-governmental organizations strengthen routine immunization services?
   ▪ Can additional groups (i.e. local service groups) be used to promote routine immunizations by providing positive immunization messages and long-term communication?
   ▪ Can increased involvement of civil society organizations at each level also improve accountability, service delivery and coverage?
   ▪ How best to work with partners to improve overall service delivery and thus strengthen routine immunization services?
2. New Vaccine Introduction
   ▪ What are the barriers to the introduction of new vaccines at community and facility level, and how can these be overcome?
3. Service Delivery
   ▪ What are the benefits of supportive supervision?
   ▪ How can a supportive supervision environment be created?
   ▪ What are the best roles for community volunteers?
   ▪ What are potential roles for existing community and leadership structures (not just volunteers)?
   ▪ What are predictors of sustainability for volunteer-based programs?