TABLE 1.
In vitro susceptibilities of S. pneumoniae isolates ATCC 49619 and AMRI-SP1 to different antimicrobial agents
| Antibiotica | MIC (mg/liter) for: |
MBC (mg/liter) for: |
Zone diam (mm) of: |
|||
|---|---|---|---|---|---|---|
| ATCC 49619 | AMRI-SP1 | ATCC 49619 | AMRI-SP1 | ATCC 49619 | AMRI-SP1 | |
| PEN | 0.06b | >64c | 0.06 | —d | 26 | NZe |
| AMP | 0.25b | >32c | 0.5 | — | 20 | NZ |
| AMC | 0.06b | 2b | 0.12 | 8 | 24 | 22 |
| OXA | 0.06b | 0.25b | 0.25 | 0.5 | 23 | 22 |
| CAZ | 8f | 16c | 16 | >64 | 23 | 15 |
| CRO | 1b | 2c | 4 | 4 | 22 | 16 |
| CTX | 4b | 0.5b | 8 | 1 | 23 | 22 |
| CXM | 0.5b | 2b | 1 | 64 | 25 | 23 |
| FEP | 0.06b | 0.5b | 0.06 | 1 | 25 | 24 |
| IPM | 0.06b | 0.12b | 0.12 | 1 | 23 | 25 |
| MEM | 0.06b | 0.06b | 0.12 | 1 | 24 | 24 |
| AZM | 0.12b | >8c | 2 | 16 | 23 | 10 |
| CLI | 0.5b | 4c | 0.5 | 16 | 17 | 13 |
| LVX | 0.12b | 16c | 0.12 | 32 | 19 | 12 |
| CIP | 0.06b | 1b | 0.12 | 2 | 23 | 25 |
| RIF | 0.06b | 0.12b | 0.12 | 1 | 20 | 21 |
| VAN | 1b | >64c | 4 | — | 19 | NZ |
| GEN | 0.5b | 2 | 1 | 4 | 23 | 20 |
| TMP-SXT | 1b | >64c | 2 | — | 18 | NZ |
a
PEN, penicillin; AMP, ampicillin; AMC, amoxicillin-potassium clavulanate; OXA, oxacillin; CAZ, ceftazidime; CRO, ceftriaxone; CTX, cefotaxime; CXM, cefuroxime; FEP, cefepime; IPM, imipenem; MEM, meropenem; AZM, azithromycin; CLI, clindamycin; LVX, levofloxacin; CIP, ciprofloxacin; RIF, rifampin; VAN, vancomycin; GEN, gentamicin; TMP-SXT, trimethoprim-sulfamethoxazole.
b
Susceptible to the indicated antibiotic.
c
Resistant to the indicated antibiotic.
d
—, not within the detectable limit.
e
NZ, no zone of inhibition detected.
f
Intermediate to the indicated antibiotic.