Antipneumococcal activities of a ketolide (HMR 3647), a streptogramin (quinupristin-dalfopristin), a macrolide (erythromycin), and a lincosamide (clindamycin)
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Barry, AL
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Inst Clin Microbiol, Wilsonville, OR 97070 USAInst Clin Microbiol, Wilsonville, OR 97070 USA
Barry, AL
[1
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Fuchs, PC
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Inst Clin Microbiol, Wilsonville, OR 97070 USAInst Clin Microbiol, Wilsonville, OR 97070 USA
Fuchs, PC
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Brown, SD
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Inst Clin Microbiol, Wilsonville, OR 97070 USAInst Clin Microbiol, Wilsonville, OR 97070 USA
Brown, SD
[1
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[1] Inst Clin Microbiol, Wilsonville, OR 97070 USA
Four different compounds belonging to the macrolide-lincosamide-streptogramin B (MLSb) class of antimicrobial agents were tested against 611 Streptococcus pneumoniae strains. The ketolide (HMR 3647, previously RU66647) and the streptogramin (quinupristin-dalfopristin) were both active against pneumococci with high-level MLSb resistance (clindamycin-resistant strains) as well as those with low-level macrolide resistance (clindamycin-susceptible strains).