Percentage frequency of bacteria found contaminating sites after cleaning
| Species of bacteria | Frequency (%) n=34 |
|---|---|
| Bacillus cereus | 0.0 |
| Bacillus sp | 17.6 |
| Coliform (non-lactose fermenter) | 2.9 |
| Coliforms | 26.5 |
| Corynebacterium sp | 14.7 |
| Micrococcus sp | 0.0 |
| Pseudomonas sp | 2.9 |
| Staphylococcus aureus | 2.9 |
| Staphylococcus epidermidis | 29.4 |
| Viridans streptococcus | 0.0 |