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. 2013 Aug 9;8(8):e73124. doi: 10.1371/journal.pone.0073124

Figure 2. T cell epitope promiscuity across the most common HLA-DR alleles in geographic regions.

Figure 2

Kernel density estimates of epitope promiscuity and graphs of mean epitope promiscuity (see Methods) of B. anthracis and C. tetani (BA & CT; blue), S. pyogenes and (SP; purple), HIV (green) and M. tuberculosis complex (MTBC; orange) across the most common HLA-DR alleles in Europe and the Americas (A), East Asia (B), Sub-Saharan Africa (C), India and East Africa (D) and Oceania (E). Significant differences in mean promiscuity between groups are indicated with black bars (Tukey’s post-test, p < 0.05). Error bars represent the standard error of the mean.