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. 2018 Dec 13;18(Suppl 4):1305. doi: 10.1186/s12889-018-6187-x

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© The Author(s). 2018

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — AVADAR notification and feedback loop systems. AFP acute flaccid paralysis, cluster consultants (CC), CHI community health informant, DSNO Disease Surveillance Notification Officer, health facility (HF), HW health worker, LGA Local Government Area, SMS short message service