WHO Missed Opportunities for Vaccination (MOV) Strategy

What is a missed opportunity for vaccination?

A missed opportunity for vaccination (MOV) refers to any contact with health services by an individual (child or person of any age) who is eligible for vaccination (e.g. unvaccinated or partially vaccinated and free of contraindications to vaccination), which does not result in the person receiving one or more of the vaccine doses for which he or she is eligible.

Beyond improving immunization coverage, the aim of reducing MOV is to improve health service delivery and promote synergy between programs.

WHO’s MOV strategy answers three important questions:

  1. How many opportunities are missed
  2. Why are these opportunities being missed
  3. What can be adjusted or done differently?

View WHO’s MOV strategy, resources, and tools in English | Français

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