Intestinal parasites | Up to 5 years (n = 95) | 6–10 years (n = 95) | 11–15 years (n = 95) | Total [n (%)] |
---|---|---|---|---|
Protozoa | 19 | 28 | 39 | 86 (30.2) |
 Giardia lamblia | 11 | 13 | 20 | 44 (15.4) |
 Entamoeba histolytica-like | 3 | 7 | 12 | 22 (7.7) |
 E. coli | 5 | 8 | 7 | 20 (7.0) |
Helminths | 3 | 2 | 3 | 8 (2.8) |
 Ascaris lumbricoides | 1 | 1 | 3 | 5 (1.8) |
 Hymenolepis nana | 1 | 1 | 0 | 2 (0.7) |
 Taenia spp. | 1 | 0 | 0 | 1 (0.4) |
Total [n (%)] | 22 (23.2) | 30 (31.6) | 42 (44.2) | 94 (33) |