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The identified sub-lineages are color-coded. Branch lengths are proportional to number of MIRU-VNTR loci differences between two nodes (<1 locus, solid thick lines; 2–3 loci, solid thin lines; >4 loci, dashed line). Node size is proportional to the number of isolates with identical MIRU-VNTR profiles. EAI: East Africa India, LAM = Latin American Mediterranean.
