Table 4.
Antimicrobial susceptibility pattern of E. coli O157 strains isolated from clinical and water samples.
| S/N | Antimicrobial Agent | Symbol | Disc Content (μg) |
Susceptibility (n = 20) |
||
|---|---|---|---|---|---|---|
| Resistant No. (%) | Intermediate No. (%) | Sensitive No. (%) | ||||
| 1 | Ampicillin | Amp | 25 | 13 (65.0) | 5 (25.0) | 2 (10.0) |
| 2 | Cefuroxime | Cef | 20 | 10 (50.0) | 3 (15.0) | 7 (35.0) |
| 3 | Chloramphenicol | Chl | 10 | 1 (5.0) | 2 (10.0) | 17 (85.0) |
| 4 | Ciprofloxacin | Cip | 5 | 2 (10.0) | 0 (0.0) | 18 (90.0) |
| 5 | Cotrimoxazole | Cot | 50 | 3 (15.0) | 1 (5.0) | 16 (80.0) |
| 6 | Gentamicin | Gen | 10 | 2 (10.0) | 2 (10.0) | 16 (80.0) |
| 7 | Nalidixic Acid | Nal | 30 | 11 (55.0) | 2 (10.0) | 7 (35.0) |
| 8 | Nitrofurantoin | Nit | 100 | 9 (45.0) | 3 (15.0) | 8 (40.0) |
| 9 | Norfloxacin | Nor | 10 | 0 (0.0) | 3 (15.0) | 17 (85.0) |
| 10 | Tetracycline | Tet | 50 | 15 (75.0) | 2 (10.0) | 3 (15.0) |