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MICs of macrolides and related agents and of penicillin G for 48 erythromycin-resistant S. pneumoniae isolates
| Antimicrobial agent | MIC (μg/ml)a
|
||
|---|---|---|---|
| 50% | 90% | Range | |
| Erythromycin | >128 | >128 | >128 |
| Azithromycin | >128 | >128 | >128 |
| Josamycin | >128 | >128 | >128 |
| Clindamycin | >128 | >128 | 64–>128 |
| Streptogramin B | 128 | >128 | 2–>128 |
| Penicillin G | 0.5 | 4 | 0.016–8 |
50 and 90%, MICs at which the growth of 50 and 90% of isolates, respectively, was inhibited.
