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. 2014 Jun 18;14:340. doi: 10.1186/1471-2334-14-340

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Copyright © 2014 Lopes et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. 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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Prevalence of active TB as a function of transmission parameters. Proportion of infectious individuals as a function of β and R₀. Curves represent the endemic equilibria according to the homogeneous system (1) (full line) and the heterogeneous system (3) (dashed line), using parameter values specified in Table 1. Estimates of β and R₀ for the same proportion of infectious individuals under both models are marked (dotted lines).