Table 2 Schistosoma haematobium prevalence and infection intensity, cure rates and egg reduction rates at various periods after treatment with 40 mg/kg praziquantel
Weeks since treatment | Pre-treatment | 3 | 16 | 41 | 53 |
|---|---|---|---|---|---|
Time of survey | Mar '98 | May/Jun | Aug | Feb '99 | Apr/May |
n = | 1109 | 977 | 922 | 848 | 825 |
First specimen only* | |||||
Prevalence (%) | 68.3 | 28.8 | 18.7 | 13.2 | 20.1 |
Cure rate (%) | - | 57.9 | 72.7 | 80.7 | 70.5 |
Prevalence of infections >= 50 EPC (%) | 38.2 | 2.3 | 2.1 | 1.9 | 4.1 |
Cure rate of infections >= 50 EPC (%) | - | 94.1 | 94.6 | 95.1 | 89.2 |
Geometric mean EPC incl. uninfected | 16.1 | 0.8 | 0.4 | 0.3 | 0.6 |
Egg reduction rate (%) | - | 95.3 | 97.5 | 97.9 | 96.0 |
Both specimens†| |||||
Prevalence (%) | - | 39.9 | 29.3 | 17.6 | 28.7 |
Prevalence of infections >= 50 EPC (%) | - | 2.5 | 2.1 | 1.9 | 5.0 |
Geometric mean EPC incl. uninfected | - | 0.9 | 0.5 | 0.3 | 0.6 |