Table 2. Prevalence and intensity of schistosomiasis among Yemeni children who participated in this study (n = 400).

Intensity of infection*	Type of infection
	S. haematobium			S. mansoni
	N	%	Mean (ep10ml)	N	%	Mean (epg)
Light	74	77.9	17	19	51.4	50
Moderate	-	-	-	15	40.5	212
Heavy	21	22.1	340	3	8.1	637
Overall	95	23.8	89	37	9.3	163

^*According to WHO [18]. ep10ml, Number of eggs per 10 ml of urine. epg, Number of eggs per gram of faeces.