TABLE 1.

Isolation years, sources, emm typing, drug MICs, phenotypes, and resistance genes identified in invasive GAS isolates listed according to original culture and identification dates

Isolate	emm type	Yr	MIC (μg/ml) of druga		Drug resistance phenotype	Resistance genes	Source
			EM	CM
1	90.4b	2005	0.19	0.125			Blood
2	90.4b	2006	24	0.125	iMLSB	erm(A), erm(TR)	Blood
3	90.4b	2006	0.25	0.19			Blood
4	90.4b	2006	32	0.19	iMLSB	erm(A), erm(TR)	Blood
5	90.4b	2006	0.38	0.25			Blood
6	90.4b	2006	0.25	0.125			Wound
7	90.4b	2006	48	0.094	iMLSB	erm(A), erm(TR)	Wound
8	90.4b	2006	24	0.19	iMLSB	erm(A), erm(TR)	Wound
9	90.4b	2006	24	0.125	iMLSB	erm(A), erm(TR)	Wound
10	90.4b	2006	24	4	cMLSB	erm(A), erm(TR)	Wound
11	90.4b	2006	12	0.125	iMLSB	erm(a), erm(TR)	Wound
12	90.4b	2006	0.125	0.125			Blood
13	90.4b	2006	24	0.047	iMLSB	erm(A), erm(TR)	Foot
14	90.4b	2006	0.19	0.047			Blood
15	90.4b	2006	0.125	0.125			Blood
16	90.4b	2006	0.25	0.25			Wound
17	90.4b	2006	48	3	cMLSB	erm(A), erm(TR)	Blood
18	90.4b	2007	24	3	cMLSB	erm(A), erm(TR)	Blood
19	90.4b	2007	48	3	cMLSB	erm(A), erm(TR)	Blood
20	90.4b	2007	64	3	cMLSB	erm(A), erm(TR)	Blood

^aEM, erythromycin; CM, clindamycin.