TABLE 1.

Sources and M antigen types of GAS isolated from noninfected subjects and patients^a

No.	Strain	Patient condition	Source of isolation	Yr of collection	Endemic area	Homology to M typea	Accession no.
1	cmu104	Impetigo	Skin	1985	Chiang Mai Hospital	ST1	AF091805
2	cmu328	Impetigo	Skin	1985	Chiang Mai Hospital	ST1
3	Cmuh7-6	Normal	Throat	1985	Chiang Rai School	ST1
4	cmu68	Impetigo	Skin	1985	Chiang Mai Hospital	M44
5	Cmud14-5	Normal	Throat	1985	Chiang Mai School	M44
6	cmuj63	Impetigo	Skin	1990	Chiang Mai Hospital	M44
7	cmus665	Sore throat	Throat	1985	Chiang Mai Hospital	M44
8	cmu42	Impetigo	Skin	1985	Chiang Mai Hospital	M25
9	cmuj59	Impetigo	Skin	1990	Chiang Mai Hospital	M25
10	cmuak19	Sore throat	Throat	1995	Chiang Mai Hospital	M25
11	cmus14-6	Normal	Throat	1985	Chiang Mai School	M27
12	cmuh92	RHD	Throat	1985	Chiang Mai Hospital	ST2	AF093817
13	cmuarf19	ARF	Throat	1985	Chiang Mai Hospital	M22
14	cmucsf3	Meningitis	CSF	1995	Chiang Mai Hospital	ST3	AF140798
15	cmuk16	Sore throat	Throat	1995	Chiang Mai Hospital	ST4	AF091806
16	cmuk3	Sore throat	Throat	1995	Chiang Mai Hospital	ST4
17	cmuk8	Sore throat	Throat	1995	Chiang Mai Hospital	ST4
18	cmuk9	Sore throat	Throat	1995	Chiang Mai Hospital	ST4
19	cmuh338	RHD	Throat	1985	Chiang Mai Hospital	ST5	AF091807
20	cmuj27	Impetigo	Skin	1990	Chiang Mai Hospital	ST6
21	cmuj71	Impetigo	Skin	1990	Chiang Mai Hospital	ST6
22	cmuj82	Impetigo	Skin	1990	Chiang Mai Hospital	ST6	AF140227
23	cmuk17	Sore throat	Throat	1995	Chiang Mai Hospital	ST6
24	cmu20	Impetigo	Skin	1985	Chiang Mai Hospital	M12
25	cmuarf2	ARF	Throat	1985	Chiang Mai Hospital	ST7	AF091804
26	cmu52T	Normal	Throat	1985	Lab personal	M3
27	Cmu64	Impetigo	Skin	1985	Chiang Mai Hospital	M70
28	cmus546	Sore throat	Throat	1985	Chiang Mai Hospital	M70
29	cmuo426	Normal	Throat	1985	Chiang Mai Hospital	Potter41
30	cmus122	Sore throat	Throat	1985	Chiang Mai Hospital	Potter41
31	cmus14	Sore throat	Throat	1985	Chiang Mai Hospital	Potter41
32	cmus142	Sore throat	Throat	1985	Chiang Mai Hospital	Potter41
33	cmus148	Sore throat	Throat	1985	Chiang Mai Hospital	Potter41
34	cmus182	Sore throat	Throat	1985	Chiang Mai Hospital	Potter41
35	cmus19	Sore throat	Throat	1985	Chiang Mai Hospital	Potter41
36	cmus219	Sore throat	Throat	1985	Chiang Mai Hospital	Potter41
37	cmus330	Sore throat	Throat	1985	Chiang Mai Hospital	Potter41
38	cmus431	Sore throat	Throat	1985	Chiang Mai Hospital	Potter41
39	cmus578	Sore throat	Throat	1985	Chiang Mai Hospital	Potter41
40	cmus744	Sore throat	Throat	1985	Chiang Mai Hospital	M1
41	cmu38	Impetigo	Skin	1985	Chiang Mai Hospital	M76
42	cmuh9	RHD	Throat	1985	Chiang Mai Hospital	M81
43	cmut006	Normal	Throat	1985	Chiang Rai School	M11
44	cmuarf15	ARF	Throat	1985	Chiang Mai Hospital	M63
45	cmuarf3	ARF	Throat	1985	Chiang Mai Hospital	M63
46	cmuj65	Impetigo	Skin	1995	Chiang Mai Hospital	ST8	AF089870
47	cmuarf1	ARF	Throat	1985	Chiang Mai Hospital	ST8
48	cmuarf39	ARF	Throat	1995	Chiang Mai Hospital	ST9	AF140797
49	cmuh140	RHD	Throat	1985	Chiang Mai Hospital	ST10	AF104406
50	cmuak1	Impetigo	Throat	1995	Chiang Mai Hospital	ST10
51	cmuj76	Impetigo	Skin	1990	Chiang Mai Hospital	ST11	AF104407
52	cmuk2	Sore throat	Throat	1990	Chiang Mai Hospital	ST12	AF104408
53	cmu417	Impetigo	Skin	1985	Chiang Mai Hospital	ST13	AF104409

^aDNA sequences from GAS isolated from carriers and patients were aligned with DNA sequences of reference strains in the literature. CSF, cerebrospinal fluid.