TABLE 2.
Antimicrobial susceptibilities of EPEC and Shigella isolatesa
| Antimicrobial agent | Results
|
|||||||
|---|---|---|---|---|---|---|---|---|
|
Shigella (n = 16)
|
EPEC (n = 80)
|
|||||||
| No. S | No. R | No. I | No. NT | No. S | No. R | No. I | No. NT | |
| Ampicillin | 7 | 9 | 77 | 1 | 2 | |||
| Cephalothin | 11 | 4 | 1 | 15 | 50 | 8 | 7 | |
| Trimethoprim-sulfamethoxazole | 9 | 7 | 43 | 32 | 3 | 2 | ||
| Chloramphenicol | 16 | 51 | 19 | 10 | ||||
| Tetracycline | 15 | 1 | 44 | 13 | 13 | 10 | ||
| Gentamicin | 14 | 2 | 61 | 15 | 1 | 3 | ||
| Polymyxin B | 16 | 75 | 5 | |||||
| Ciprofloxacin | 16 | 75 | 5 | |||||
Disk susceptibility to antimicrobials was evaluated through standard agar diffusion tests. S, susceptible to indicated antibiotic; R, resistant; I, intermediate; NT, not tested.