Table 1.

List of primers used in this study

Primer	Sequence (5'-3')	Reference
emm/emmL typing primers
emm 1"all M" - F	GGGGGGGGATCCATAAGGAGCATAAAAATGGCT	[26]
emm 1"all M"- R	GGGGGGGAATTCAGCTTAGTTTTCTTCTTTGCG
emm 2 - F	TATTSGCTTAGAAAATTAA	[27]
emm 2 - R	GCAAGTTCTTCAGCTTGTTT
emmL - G1F	AAAAATAAGGAGAAAAAATGG	[5]
emmL - G1R	TTTTTAGTTTTCTTCTTTGCG
Superantigen primers
speC - F	GGTAAATTTTTCAACGACACACACATTAAA
speC - R	TGTTGAGATTCTCCCGAAATAAATAGAT
speG - F	GCTATGGAAGTCAATTAGCTTATGCAGAT
speG - R	TTATGCGAACAGCCTCAGAGG
speJ - F	CAATTAAATTACGCATACGAAATCATACCAGTA
speJ - R	ACGAGTAAATATGTACGGAAGACCAAAAATA
speK - F	TATCGCTTGCTCTATACACTACTGAGAGT
speK - R	CCAAACTGTAGTATTTTCATCCGTATTAAA	[21]
speL - F	GGACGCAAGTTATTATGGATGCTCA
speL - R	TTAAATAAGTCAGCACCTTCCTCTTTCTC
speA1-3,5-F	GGTATTTGCTCAACAAGACCCCGAT
speA1-3,5-R	TGTGTTTGAGTCAAGCGTTTCATTATCT
speA1-4-F	CAAGAAGTATTTGCTCAACAAGACCCCA
speA1-4-R	TTAGATGGTCCATTAGTATATAGTTGCTTGTTATC
speH -F	TCTATCTGCACAAGAGGTTTGTGAATGTCCA
speH -R	GCATGCTATTAAAGTCTCCATTGCCAAAA
speI -F	AAGGAAAAATAAATGAAGGTCCGCCAT
speI -R	TCGCTTAAAGTAATACCTCCATATGAATTCTTT
speM -F	GCTTTAAGGAGGAGGAGGTTGATATTTATGCTCTA
speM -R	CAAAGTGACTTACTTTACTCATATCAATCGTTTC
smeZ-F	CAATAATTTCTCGTCCTGTGTTTGGAT
smeZ-R	GATAAGGCGTCATTCCACCATAG
ssa -F	AATTATTATCGATTAGTGTTTTTGCAAGTA
ssa -R	AGCCTGTCTCGTACGGAGAATTATTGAACTC