| SAMPLE | NO. OF SAMPLES EXAMINED | NO. OF POSITIVE | % TOTAL ISOLATES (n = 56) |
| Beef | 37 | 1 | 1.79 |
| Offal | 19 | 1 | 1.79 |
| Fishes | 49 | 12 | 21.43*** |
| Overall | 105 | 14 | 25 |