Table 4 Distribution of capsular genotypes and pilus islands of 72 GBS isolates
Capsular type | Colonizing | Invasive | Total |
|---|---|---|---|
Ia | 11 (30.5) | 4 (11.1) | 15 (20.8) |
Ib | 6 (16.6) | 5 (13.8) | 11 (15.2) |
II | 2 (5.5) | 4 (11.1) | 6 (8.3) |
III | 8 (22.2) | 11 (30.5) | 19 (26.3) |
IV | 3 (8.3) | 4 (11.1) | 7 (9.7) |
V | 6 (16.6) | 5 (13.8) | 11 (15.2) |
VI | – | 1 (2.7) | 1 (1.3) |
VII | – | 2 (5.5) | 2 (2.7) |
VIII | – | – | – |
Pilus type | |||
 PI-1 | 19 (52.7) | 8 (22.2) | 27 (37.5) |
 PI- 1 + 2a | 7 (19.4) | 15 (41.6) | 22 (30.5) |
 PI-1 + 2b | 9 (25) | 12 (33.3) | 21 (29.1) |
 PI-2b | 1 (2.7) | 1 (2.7) | 2 (2.7) |