Article
Decrease in macrolide resistance and clonal instability among Streptococcus pyogenes in Portugal.
Clinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases - 1 Dec 2008
Silva-Costa C, Pinto F R, Ramirez M, Melo-Cristino J
Abstract excerpt
Macrolide resistance among Streptococcus pyogenes (group A streptococci) in Portugal was stable during 1998-2003, but a rapid inversion in the dominant phenotypes was noted in the same period, with a sharp decrease in the proportion of isolates presenting the MLS(B) phenotype and a concomitant increase in isolates presenting the M phenotype. The characterization of group A streptococci recovered during 2004-2006,...
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