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. 2011 Oct;1(2):110008. doi: 10.1098/rsob.110008

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© 2011 The Authors. Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/3.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 4. — The spatial distribution of S. Typhi genotypes. Google Earth maps of the study site showing locations of the residences of culture-confirmed S. Typhi infections, categorized by S. Typhi genotype (defined in figure 3) and the 42 functional water spouts including the three water-sampling sites (labelled 1, 2 and 3), according to the legend provided. (a) All 431 culture-confirmed S. Typhi infections from the 4-year study period. The site of patient enrolment is marked H. (b) Culture-confirmed S. Typhi infections occurring in a concentrated 1 km² cluster to the west of the hospital (shaded as in (a)). The subgroups of the H58Gb are shown by the lower-case letters and numerals associated with red markers.