Table 4.

Index of epidemiologic risk per biotopes and per villages

	Akok	Ngouandji	Nô Ayong	Biyemame	Milembié	Bissobinam
Border of villages	0	0	0	0	0	0
Water spots	0	0.00068	0	0.0031	0	0
Farms (food crops)	0	0	0	0	0	0.019
Landing stages	0.0029	0.020	1.005	0.72	0.13	0.85