Table 3.

Prevalence of Schistosoma haematobium and Schistosoma mansoni by intensity

State	S. haematobium				S. mansoni
	Light infection (< 50 eggs/10 ml)		Heavy infection (≥ 50 eggs/10 ml)		Light infection (< 100 epg)		Moderate infection (100–399 epg)		Heavy infection (≥ 400 epg)
	n/Na	%	n/Na	%	n/Na	%	n/Na	%	n/Na	%
Red Sea	2/2944	0.07	1/2944	0.03	0/2425	0.00	0/2425	0.00	0/2425	0.00
River Nile	42/3216	1.31	8/3216	0.25	2/2986	0.07	4/2986	0.13	2/2986	0.07
Kassala	4/3480	0.11	2/3480	0.06	161/3244	4.96	202/3244	6.23	5/3244	0.15
Khartoum	228/5730	3.98	71/5730	0.12	72/5434	1.32	84/5434	1.55	4/5434	0.07
Al Jazirah	27/5904	0.46	3/5904	0.05	126/5563	2.26	151/5563	2.71	4/5563	0.07
Al Qadarif	49/6114	0.80	33/6114	0.54	82/5736	1.43	85/5736	1.48	0/5736	0.00
Sennar	17/2787	0.61	0/2787	0.00	16/2745	0.58	18/2745	0.66	0/2745	0.00
Blue Nile	88/3715	2.37	11/3715	0.30	9/3699	0.24	10/3699	0.27	0/3699	0.00
White Nile	331/6933	4.77	49/6933	0.71	5/6574	0.08	5/6574	0.08	0/6574	0.00
West Kordofan	386/10,073	3.83	33/10,073	0.33	2/10,188	0.02	2/10,188	0.02	0/10,188	0.00
North Kordofan	94/3532	2.66	1/3532	0.03	1/3577	0.03	0/3577	0.00	0/3577	0.00
South Kordofan	435/8173	5.35	34/8137	0.42	3/8399	0.04	3/8399	0.04	0/8399	0.00
Northern	11/3751	0.29	6/3751	0.16	1/3532	0.03	0/3532	0.00	0/3532	0.00
Central Darfur	152/3166	4.80	0/3166	0.00	1/3174	0.03	0/3174	0.00	0/3174	0.00
East Darfur	485/3863	12.56	312/3863	8.08	13/4238	0.31	14/4238	0.33	0/4238	0.00
West Darfur	46/4017	1.15	16/4017	0.40	6/3936	0.15	12/3936	0.30	4/3936	0.10
North Darfur	77/6524	1.18	3/6524	0.05	17/6545	0.26	17/6545	0.26	0/6545	0.00
South Darfur	933/13,084	7.13	1282/13,084	9.79	3/14,045	0.02	3/14,045	0.02	0/14,045	0.00
Total	3407/96,970	3.51	1865/96,970	1.92	520/96,040	0.54	613/96,040	0.64	19/96,040	0.02

^an, number of children infected; N, number of children examined (the N in this table is different from that in Table 2 because the parasite count was missing for some infected children