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. 2018 Jul 25;112(8):397–404. doi: 10.1093/trstmh/try068

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© The Author(s) 2018. Published by Oxford University Press on behalf of Royal Society of Tropical Medicine and Hygiene.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — Observed and expected prevalences of single infections and co-infections. Observed values were calculated as the number of cases in an infection type group divided by the total number of participants. Expected values were calculated using three-way contingency tables. Bars on observed values are 95% confidence intervals. Na: N. americanus; Al: A. lumbricoides; Tt: T. trichiura.