Silent Human Trypanosoma brucei gambiense Infections around the Old Gboko Sleeping Sickness Focus in Nigeria

Table 1

PCR and CATT based prevalence of Trypanosoma brucei gambiense in relation to study sites.

Study sites	Number examined	CATT positive	TgsGP-PCR positive
Gashaka	200	7 (3.5)	3 (1.5)
Gboko	200	5 (2.5)	2 (1.0)
Ibi	200	1 (0.5)	0 (0.0)
Karim Lamido	200	5 (2.5)	1 (0.5)
Ukum	200	0 (0.0)	0 (0.0)
Vandeikya	200	3 (1.5)	1 (0.5)
Total	1200	21 (1.8)	7 (0.6)
	—	10.32	5.892
value	—	0.066	0.3169