Prevalence and mechanisms of macrolide resistance in <i>Streptococcus pyogenes</i> in Santiago, Chile

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2001
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Thirty-two macrolide-resistant Streptococcus pyogenes isolates were found among 594 clinical isolates collected from 1990 to 1998 in Santiago, Chile, for an overall prevalence of 7.2%. Among the 32 resistant isolates, 28 (87.5%) presented the M phenotype and 4 (12.5%) presented the MLSB phenotype. Serotyping and pulsed-field gel electrophoresis analysis showed genetic diversity among the resistant isolates.
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https://repositorio.uc.cl/handle/11534/96960
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