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. 2021 Sep 13;21(Suppl 1):370. doi: 10.1186/s12913-021-06370-y

Fig. 3.

Fig. 3

Estimated district coverage maps of diphtheria, pertussis and tetanus vaccine third dose (DTP3) and measles first dose (MCV1) for Nigeria. Numerator: DTP3 and MCV1 vaccination doses from DHMISs, as reported to the WHO (maps a, b, c, d, e and f) [38]. Denominators: official population projection from the last census as reported to WHO (map a and d) [38]; WorldPop modelled top-down population estimate (map b and e) [23]; and GRID3 modelled bottom-up population estimate (map c and f) [36, 40]