Figure 1. Distribution of B cells (CD19⁺), T cells (CD3⁺), and T-cell subpopulations (CD3⁺CD4⁺ or CD3⁺CD8⁺) in the blood of 33 HAT patients and 27 controls (surveys 1 and 2 combined).

For each box plot, the features limits correspond, from bottom to top, to the 90^th, 75^th, 50^th (median), 25^th and 10^th percentiles.