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. 2014 Mar 18;31(6):1490–1499. doi: 10.1093/molbev/msu106

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© The Author 2014. Published by Oxford University Press on behalf of the Society for Molecular Biology and Evolution.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 2. — Within-infection F_ws fixation indices for each clinical isolate sampled in the Guinean and Gambian populations, ordered by increasing index value within each population. Dashed line marks F_ws = 0.95, above which an isolate may be considered to contain a single predominant genotype. The distribution of F_ws values in the Guinean population was lower than in the Gambian population (Mann–Whitney test, P = 0.04; F_ws values >0.95 were set at a fixed value for this comparison as they represent isolates with a single predominant genotype).