Table 2 Macrolide resistance determinant according to the serotype
Serotype | No. of isolates | Macrolide resistance determinant | |||
|---|---|---|---|---|---|
| Â | Â | erm(B) | erm(B)+mef(E) | mef(E) | mef(A) |
6A | 69 | 0 | 0 | 64 (92.8) | 5 (7.2) |
6B | 12 | 11 (91.7)a | 0 | 1 (8.3) | 0 |
9V | 1 | 0 | 0 | 1 (100) | 0 |
10A | 5 | 5 (100) | 0 | 0 | 0 |
14 | 17 | 8 (47.1) | 0 | 0 | 9 (52.9) |
15A | 3 | 3 (100) | 0 | 0 | 0 |
15B | 3 | 3 (100) | 0 | 0 | 0 |
15C | 1 | 1 (100) | 0 | 0 | 0 |
19A | 8 | 7 (87.5) | 0 | 1 (12.5) | 0 |
19F | 108 | 3 (2.8) | 64 (59.3) | 41 (38) | 0 |
23F | 30 | 30 (100) | 0 | 0 | 0 |
24F | 1 | 1 (100) | 0 | 0 | 0 |
35A | 2 | 0 | 0 | 2 (100) | 0 |
35F | 3 | 3 (100) | 0 | 0 | 0 |