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 | ||
emm 12 | 121 (87.1) | 88 (57.1) | 64 (23.4) | 17 (13.9) | 45 (39.1) | 112 (64.4) | 167 (69.3) | 614 (50.4) |
emm 4 | 11 (7.9) | 21 (13.6) | 58 (21.2) | 54 (44.3) | 57 (49.6) | 39 (22.4) | 43 (17.8) | 283 (23.2) |
emm 1 | 4 (2.9) | 35 (22.7) | 111 (40.7) | 26 (21.3) | 9 (7.8) | 10 (5.7) | 5 (2.1) | 200 (16.4) |
emm 6 | 0 (0.0) | 6 (3.9) | 26 (9.5) | 14 (11.5) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 46 (3.8) |
emm 22 | 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 |