Table 1.
Regional mean prevalence of schistosomes and soil-transmitted helminths among schoolchildren in Lake Vitoria Basin, Tanzania
| Region | Helminth eggs in stool |
S. haematobium |
|||||
|---|---|---|---|---|---|---|---|
| No. exam. |
S. mansoni |
Hookworms |
A. lumbricoides |
T. trichiura |
No. exam. | No. egg posit. in urine (%) | |
| No. posit. (%) | No. posit. (%) | No. posit. (%) | No. posit. (%) | ||||
| Kagera | 1,012 | 171 (16.9) | 327 (32.3) | 176 (17.4) | 15 (1.5) | 1,012 | 0 (0.0) |
| Mwanza | 2,146 | 532 (24.8) | 331 (15.4) | 0 (0.0) | 0 (0.0) | 2,042 | 193 (9.5) |
| Mara | 1,203 | 160 (13.3) | 96 (8.0) | 12 (1.0) | 3 (0.2) | 1,203 | 58 (4.8) |
| Shinyanga | 1,465 | 0 (0.0) | 98 (6.7) | 0 (0.0) | 0 (0.0) | 1,591 | 265 (16.7) |
| Total | 5,826 | 863 (14.8) | 852 (14.6) | 188 (3.2) | 18 (0.3) | 5,848 | 516 (8.8) |