Routine Vaccination Coverage in Northern Nigeria: Results from 40 District-Level Cluster Surveys, 2014-2015

Rajni Gunnala, Ikechukwu U Ogbuanu, Oluwasegun J Adegoke, Heather M Scobie, Belinda V Uba, Kathleen A Wannemuehler, Alicia Ruiz, Hashim Elmousaad, Chima J Ohuabunwo, Mahmud Mustafa, Patrick Nguku, Ndadilnasiya Endie Waziri and John F Vertefeuille

PLOS ONE, 2016, vol. 11, issue 12, 1-14

Abstract: Background: Despite recent success towards controlling poliovirus transmission, Nigeria has struggled to achieve uniformly high routine vaccination coverage. A lack of reliable vaccination coverage data at the operational level makes it challenging to target program improvement. To reliably estimate vaccination coverage, we conducted district-level vaccine coverage surveys using a pre-existing infrastructure of polio technical staff in northern Nigeria. Methods: Household-level cluster surveys were conducted in 40 polio high risk districts of Nigeria during 2014–2015. Global positioning system technology and intensive supervision by a pool of qualified technical staff were used to ensure high survey quality. Vaccination status of children aged 12–23 months was documented based on vaccination card or caretaker’s recall. District-level coverage estimates were calculated using survey methods. Results: Data from 7,815 children across 40 districts were analyzed. District-level coverage with the third dose of diphtheria-pertussis-tetanus vaccine (DPT3) ranged widely from 1–63%, with all districts having DPT3 coverage below the target of 80%. Median coverage across all districts for each of eight vaccine doses (1 Bacille Calmette-Guérin dose, 3 DPT doses, 3 oral poliovirus vaccine doses, and 1 measles vaccine dose) was

Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0167835

DOI: 10.1371/journal.pone.0167835

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