Table 1. Distribution of emm genotypes and %SpeB^A- among the CDC Invasive GAS Isolates.

emm genotype	No. of Isolates	No. of SpeBA- isolates	% SpeBA- isolates
1	31	7	25.8
89	21	17	81.0
3	16	10	62.5
12	15	3	20.0
28	11	6	54.5
4	8	2	25.0
118	8	4	50.0
11	6	1	16.7
59	6	1	16.7
75	5	2	40.0
2	4	1	25.0
6	4	0	0.0
82	4	1	25.0
87	4	1	25.0
44	3	0	0.0
77	3	0	0.0
22	3	1	33.3
81	3	0	0.0
92	3	0	0.0
5	2	0	0.0
9	2	1	50.0
58	2	0	0.0
73	2	0	0.0
76	2	1	50.0
78	2	1	50.0
18	1	1	100
41	1	1	100
49	1	1	100
53	1	1	100
113	1	1	100
114	1	0	0.0
total	176	66	37.5