Sakata H
[T serotypes distribution and antimicrobial susceptibility of Streptococcus pyogenes in children with pharyngotonsillitis in Asahikawa] [English Abstract, Journal Article]
Jpn J Antibiot 2008 Dec; 61(6):359-65.
Between June 2006 and April 2007, I measured T serotypes and antibiotic susceptibilities of 367 strains of Streptococcus pyogenes isolated from children with pharyngotonsillitis in Asahikawa. Prevalent serotypes were 12 (33.8%), 1 (22.9%), and 28 (12.5%). The MIC90s of beta-lactams were 0.008 microg/ml in penicillin G, cefcapene, cefditoren, cefteram, cefdinir and faropenem, and 0.015 microg/ml in amoxicillin. Of 367 isolates, macrolide-resistant (erythromycin > 0.5 micro/ml) strains account for 42 (11.4%).
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