| Isolates | S. aureus | E. coli |
| Providencia stuartii | + | + |
| Providencia alcalifaciens | + | + |
| Bacillus sp. | + | + |
| Providencia alcalifaciens | + | + |
| Streptococcus sp. | - | - |
| Micrococcus sp. | - | - |
| Staphylococcus sp | - | - |
| Aspergillus niger | + | + |
| Aspergillus fumigatus | + | + |
| Aspergillus niger | + | + |