Table 1.

Characterization of subspecies and subgroups within Trypanosoma brucei.

Pathogen	Location	Host	Vector	Genetic diversity	SRA gene
T. b. brucei	Tropical Africa	Both wild and domestic mammals, no humans involved	Tsetse	Extremely high	Absent
T. b. rhodesiense	East Africa	Humans, wild and domestic mammals	Morsitans group tsetse	Very high	Present
Trypanosoma brucei gambiense Group 1	West and Central Africa	Humans, wild and domestic mammals	Palpalis group tsetse	High	Absent
T. b. gambiense Group 2	Ivory Coast	Humans, wild and domestic mammals	Palpalis or morsitans group tsetse?	Very high	Absent
Pathogen	Genotype	Location	Host	Vector	DNA band	KDNA mini-circle size
Trypanosoma congolense	Savannah	Tropical Africa	Wide range of ungulates and other mammals	Morsitans, palpalis, and fusca groups	369 bp	850 bp
	Forest	West and Central Africa	Pigs, goats, cattle, dogs, other?	Palpalis group	~350 bp	850 bp
	Kilifi or Kenya coast	East Africa	Cattle, sheep, goats. Not pigs. Other?	Morsitans group	368 bp	700 bp
Trypanosoma simiae		Tropical Africa	Suids	Morsitans, palpalis, and fusca groups	521 bp	900 bp
	Tsavo	East Africa	Suids	Morsitans and fusca groups	~540 bp	–
Trypanosoma godfreyi		Tropical Africa	Suids	Morsitans and fusca groups	373 bp	800, 750 bp