Table 1. Reported prevalence of T. brucei s.l. in the two main tsetse species in Serengeti National Park in previous studies.

	No. of flies examined	PrevalenceT. brucei s.l.(%)	Technique	Reference
G. swynnertoni	6348	0	Dissection/microscopy	[16], [72]
	3550	0	Dissection/microscopy	[26]
	11040	0.08	Pooled rodent inoculation	[33]
	677	3.0	Dissection/microscopy	[34]
G. pallidipes	623	0	Dissection/microscopy	[16]
	199	0	Dissection/microscopy	[34]