Table 1 Phenotypic susceptibility patterns of the two C. davisae isolates
Antibiotic | Parental isolate (Day 6:18.11.20) | Resistant isolate (Day 12: 24.11.20) |
|---|---|---|
Amoxicillin-clavulanic acid | 32 (R) | > 64 (R) |
Piperacillin-tazobactam | ≤ 6 (S) | 32 (R) |
Cefotaxime | ≤ 0.5 (S) | > 16 (R) |
Ceftazidime | ≤ 0.5 (S) | > 16 (R) |
Cefepime | < 1; 0.047a (S) | < 1; 1 a (S) |
Aztreonam | ≤ 1(S) | > 8 (R) |
Imipenem | ≤ 0.5 (S) | ≤ 0.5 (S) |
Meropenem | ≤ 0.5 (S) | ≤ 0.5 (S) |
Ertapenem | ≤ 0.19 (S) | 0.5 (S) |
Ciprofloxacin | ≤ 0.19 (S) | ≤ 0.19 (S) |
Co-Trimoxazole | ≤ 0.25 (S) | ≤ 0.25 (S) |
Gentamicin | ≤ 0.5 (S) | ≤ 0.5 (S) |
Tobramycin | ≤ 0.5 (S) | ≤ 0.5 (S) |