The Antimicrobial Susceptibility of Streptococcus Pyogenes Isolates from the Philadelphia Area
Since the early 1980’s, reports from North America, Australia, Japan and Europe have indicated that Streptococcus pyogenes strains are becoming increasingly resistant to several antimicrobial agents.1–6 In order to determine if an increase in antimicrobial resistance was present in S. pyogenes from the greater Philadelphia area isolates from eleven Philadelphia hospitals, were collected and tested against penicillin, ampicillin, cephalothin, clindamycin, erythromycin, rifampin, vancomycin and ciprofloxacin.
KeywordsMinimum Inhibitory Concentration Antimicrobial Agent Antimicrobial Susceptibility Erythromycin Resistance Minimum Inhibitory Concentration Range
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