Table 2.
Distribution of emm types in Streptococcus pyogenes isolates collected in central Taiwan from 2000 to 2006
| emm Type | Number (%) of isolates in year | Total | ||||||
|---|---|---|---|---|---|---|---|---|
| 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | ||
| emm12 | 121 (87.1) | 88 (57.1) | 64 (23.4) | 17 (13.9) | 45 (39.1) | 112 (64.4) | 167 (69.3) | 614 (50.4) |
| emm4 | 11 (7.9) | 21 (13.6) | 58 (21.2) | 54 (44.3) | 57 (49.6) | 39 (22.4) | 43 (17.8) | 283 (23.2) |
| emm1 | 4 (2.9) | 35 (22.7) | 111 (40.7) | 26 (21.3) | 9 (7.8) | 10 (5.7) | 5 (2.1) | 200 (16.4) |
| emm6 | 0 (0.0) | 6 (3.9) | 26 (9.5) | 14 (11.5) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 46 (3.8) |
| emm22 | 1 (0.7) | 1 (0.6) | 2 (0.7) | 1 (0.8) | 3 (2.6) | 10 (5.7) | 18 (7.5) | 36 (3.0) |
| Other* | 2 (1.4) | 3 (1.9) | 12 (4.4) | 10 (8.2) | 4 (3.5) | 0 (0.0) | 8 (3.3) | 39 (3.2) |
| Total | 139 | 154 | 273 | 122 | 115 | 174 | 241 | 1218 |
*18 emm types: emm2 (5 isolates), emm11 (11), emm28 (1), emm49 (5), emm58 (1), emm76 (1), emm77 (1), emm81 (1), emm82 (1), emm89 (3), emm92 (1), emm101 (1), emm102 (1), emm103 (1), st2904 (2), st5282 (1), stG485 (1), stIL103 (1)