TABLE 1.
Antimicrobial susceptibilities of E. coli EC98/4153-2
| Antimicrobial | MIC (μg/ml) | IZDa (mm) |
|---|---|---|
| Amoxicillin | >256 | 6c |
| Amoxicillin-clavulanic acid | NDb | 20 |
| Cephalothin | >256 | 6 |
| Cefoxitin | 4 | 24 |
| Cefotaxime | 64 | 19 |
| Ceftazidime | >64 | 13 |
| Aztreonam | >32 | 13 |
| Imipenem | 0.06 | 28 |
| Nalidixic acid | >256 | 6 |
| Ciprofloxacin | 8 | 11 |
| Tetracycline | >256 | 6 |
| Chloramphenicol | 64 | 8 |
| Trimethoprim | >256 | 6 |
| Sulfonamides | >512 | 6 |
| Gentamicin | 0.5 | 19 |
| Neomycin | 64 | 10 |
| Amikacin | 4 | 19 |
| Apramycin | 4 | 13 |
| Streptomycin | ND | 6 |
a
IZD, inhibition zone diameter, determined by the disk diffusion test.
b
ND, not done.
c
No inhibition (diameter of the disk).