Table 1.

Prevalence of Schistosoma mansoni in preschool-aged children 0–5 years of age in the Assoni village in 2008, 2009, 2011, 2013, 2014, and 2015

Age (years)	n	Positive cases	Prevalence (%)
2008
0–2	14	9	64.3
2–4	37	25	67.5
4–5	31	30	96.8
Total	82	64	78.0
2009
0–2	11	5	45.0
2–4	28	18	64.0
4–5	22	15	68.0
Total	61	42	59.0
2011
0–2	8	3	37.5
2–4	18	6	33.3
4–5	12	9	75.0
Total	38	18	47.4
0–2	36	3	8.3
2–4	36	7	19.4
4–5	16	6	37.5
Total	88	16	18.2
November 2014
0–2	25	1	4.0
2–4	37	2	5.4
4–5	21	5	23.8
Total	83	8	9.6
December 2015
0–2	53	6	11.3
2–4	31	1	3.2
4–5	24	7	29.0
Total	108	14	12.9

“N” represents the number of children in each group of age and “Positive cases” represent the number of carriers of S. mansoni in each group of age.