Table 4.
Antibiogram of E. coli isolated from Kat River and Fort Beaufort abstraction water.
| Antibacterial Agent | Number of Isolates ( n = 278); Percentages in Parenthesis | ||
|---|---|---|---|
| Resistant | Intermediate | Susceptible | |
| Ampicillin (AP) | 272 (98%) | 0 (0%) | 6 (2%) |
| Penicillin G (PG) | 278 (100%) | 0 (0%) | 0 (0%) |
| Tetracycline (T) | 37 (13%) | 33 (12%) | 208 (75%) |
| Gentamycin (G) | 0 (0%) | 20 (7%) | 258 (93%) |
| Chloramphenicol (C) | 0 (0%) | 75 (27%) | 203 (73%) |
| Trimethoprim-Sulphamethoxazole (TS) | 105 (38%) | 23 (8%) | 150 (54%) |
| Streptomycin (S) | 22 (8%) | 44 (16%) | 212 (77%) |
| Ciprofloxacin (CIP) | 0 (0%) | 19 (7%) | 259 (93%) |
| Norofloxacin (NOR) | 0 (0%) | 8 (2%) | 272 (98%) |
| Amikacin (AM) | 0 (0%) | 9 (3%) | 269 (97%) |