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. 2003 Jun;130(3):569–572.

Changing prevalent T serotypes and emm genotypes of Streptococcus pyogenes isolates from streptococcal toxic shock-like syndrome (TSLS) patients in Japan.

T Ikebe 1, N Murai 1, M Endo 1, R Okuno 1, S Murayama 1, K Saitoh 1, S Yamai 1, R Suzuki 1, J Isobe 1, D Tanaka 1, C Katsukawa 1, A Tamaru 1, A Katayama 1, Y Fujinaga 1, K Hoashi 1, J Ishikawa 1, H Watanabe 1; Working Group for Group A Streptococci in Japan1
PMCID: PMC2869995  PMID: 12825743

Abstract

We surveyed T serotypes and emm genotypes of Streptococcus pyogenes isolates from streptococcal toxic shock-like syndrome (TSLS) patients. T1 (emm1) remained dominant through 1992 to 2000, but the dominant T3 (emm3.1) strains from 1992 to 1995 disappeared during 1996-2000. Strains of several emm genotypes emerged during 1996-2000, indicating alterations in the prevalent strains causing TSLS.

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