All five countries achieved over 80% coverage for vitamin A supplementation when it was integrated with OPV (Fig. 1). For all campaigns, the target population for OPV was 0–59 months and the target population for vitamin A supplements was 6–59 months (supplementation under 6 months is not recommended). In addition to high OPV coverage, Angola, Chad, Cote d’Ivoire, and Togo achieved high OPV coverage with the lowest coverage rate of 84%
in Angola in 2013.