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Number of children who did not receive DTP3 per country in West Africa based on the number of surviving infants in 2017 and the 2017 DTP3 coverage. The size of the bubbles is proportional to the numberof unvaccinated children in each West African country. Data source: Birth cohort data (United Nations population estimates, 2017 revision), DTP3 coverage (WUENIC). All graphic representationdone by authors.
