Study	Years	City	Number of patients included	Number of female patients	HTLV prevalence
Goubau P. et al. [20]	1970	Bambuti, Zaïre	102		14 (14%)
Kayembe K. et al. [19]	1990	Lisala, Equateur, Zaïre	32˚	20	25 (96%)
Moulia-Pelat J.P. et al. [22]	1990	Kikaoula et Sangha, Zaïre	230 pygmies		8.3%
Moulia-Pelat J.P. et al. [22]	1990	Kikaoula et Sangha, Zaïre	680 bantus		5.5%
Jeannel D. et al. [21]	1990	Inongo, Zaïre	1162	631	36 (3.1%)
Goubau P. et al. [23]			4630		185 (4.0%)
Delaporte E. et al. [24]		Zaïre	1183 PS	1183	86 (7.3%)
Delaporte E. et al. [24]		Zaïre	1166 Ø	1166	42 (3.7%)
Tshala K.D. et al. [25]	1998	Pindi, Zaïre	41	41	0