Table 10. Intensity of Loa loa and Mansonella perstans (arithmetic mean microfilaremia) stratified by ecosystem.

Ecosystem	Intensity of Loa loa microfilaremia		Intensity of M. perstans microfilaremia
	Arithmetic mean mf/ml	Min- Max	Arithmetic mean mf/ml	Min- Max
Savannah	2660	1–17600	34.2	1–400
Lakeland	4626	1–75600	64	1–300
Forest	5742	0–500000	207.7	1–12000
Grassland	5859	1–119500	108.7	1–2000
Mountains	7777	0–92200	314.8	1–10900
Inside	6020	1–500000	313.6	1–12000
Northern Eastern	4006	1–83600	19.9	1–200