From: Investigation of a community outbreak of typhoid fever associated with drinking water
Samples | No. of samples (n) | Average total viable count* (CFU/ml or g) | Total coliform Count *^ | Samples positive for SalmonellaTyphi (%) | Samples positive for fecal indicators# (%) |
---|---|---|---|---|---|
Clinical Samples (feces) | 100 | - | - | 22 | - |
Well water samples | 10 | 3 × 106 - 1 × 107 | ≥ 1800 | 100 | 100 |
Household water samples | 90 | 5 × 104 - 4 × 107 | ≥ 1800 | 72 | 65 |
Cooked Food samples | 50 | 2 × 103 - 1 × 104 | 0 | 2 | 0 |