Table 2.

Bivariate frequency for hookworm and S. haematobium parasite counts.

Number of S. haematobium parasites
Number of hookworm parasite		0	1	2	3	4	5	6	7	≥ 8	Cumulated records
	0	677	23	30	19	16	9	9	7	75	865
	1	12	0	1	1	0	0	0	0	3	17
	2	37	2	1	1	1	1	2	3	5	53
	3	12	0	1	0	2	0	1	0	3	19
	4	21	0	2	0	0	0	0	0	1	24
	5	10	0	0	0	1	0	0	0	1	12
	6	9	0	1	0	0	0	0	0	1	11
	7	6	0	0	0	0	0	0	0	0	6
	≥ 8	58	2	5	0	0	1	0	0	5	71
	Cumulated records	842	27	41	21	20	11	12	10	94	1078