Group A streptococci clones associated with invasive infections and pharyngitis in Portugal present differences in emm types, superantigen gene content and antimicrobial resistance.

BMC Microbiol · 2012 · PMC3543706 · PMID 23181337

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did not reach statistical significanceno p-value reported

All the 19 major PFGE clusters occurred in both invasive and pharyngitis isolates, except for R 6 ( emm 75-T25-ST150-SAg39), which was present only among pharyngeal isolates, but the difference did not reach statistical significance due to the small number of isolates in this cluster.

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