Number of participants enrolled (by country).

<p><i>T.b.g.</i>, <i>T.b. gambiense</i>; <i>T.b.r.</i>, <i>T.b. rhodesiense</i>.</p

Localities of collection sites of specimens for the HAT specimen biobank (yellow dots).

<p>Dark grey indicates HAT-endemic countries. The bold black line shows the theoretical separation of <i>T.b. gambiense</i> and <i>T.b. rhodesiense</i> areas.</p

Summary of specimens stored in ICAReB, Institut Pasteur, Paris.

<p>P1, case stage 1; P2, case stage2; Px, case stage not determined; C, controls; S1, suspects' initial visit; Sx, suspects' follow-up visits.</p