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. 2017 Oct 21;66(6):849–856. doi: 10.1093/cid/cix906

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© The Author 2017. Published by Oxford University Press for the Infectious Diseases Society of America.

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. — Minimum spanning tree analysis of 24-locus mycobacterial interspersed repetitive-unit–variable-number tandem repeat (MIRU-VNTR) genotyping for Mycobacterium tuberculosis isolates in British Columbia (2005–2014). The size of each circle is proportional to the number of isolates. Classification of strains by birthplace is visualized with color coding. The inset demonstrates overall cluster composition with respect to birthplace; relative frequency of clusters that were exclusively Canadian born (CB), exclusively foreign born (FB), Canadian born and foreign born (CB and FB), or included ≥1 isolate for which the patient’s birthplace was unknown (unknown). Note that percentages have been rounded and may not total 100%.