TABLE 3.
Serogroup or serotype distributions of S. pneumoniae isolates in Taiwan
| Serogroup or serotype | No. (%) of isolates
|
||
|---|---|---|---|
| 1984–1987a | 1990–1993b | 1996–1997 | |
| 23 | 15 (8.8) | 18 (15.7) | 65 (32.5)c |
| 19 | 18 (10.6) | 5 (4.3) | 44 (22.0)d |
| 6 | 16 (9.4) | 12 (10.4) | 21 (10.5)e |
| 14 | 17 (10.0) | 22 (19.1) | 11 (5.5) |
| 3 | 10 (5.9) | 20 (17.4) | 10 (5.0) |
| 9 | 7 (4.1) | 2 (1.7) | 10 (5.0) |
| 1 | 5 (2.9) | 0 (0.0) | 6 (3.0) |
| 20 | 2 (1.2) | 1 (0.9) | 6 (3.0) |
| 18 | 2 (1.2) | 2 (1.7) | 6 (3.0) |
| Others | 78 (45.8) | 24 (20.9) | 6 (3.0)f |
| Nontypeable | 0 (0.0) | 9 (7.8) | 15 (7.5) |
| Total | 170 (100) | 115 (100) | 200 (100) |
a
Data from reference 10.
b
Data from reference 13.
c
Includes serotypes 23F (63 isolates) and 23A (2 isolates).
d
Includes serotypes 19F (40 isolates) and 19A (4 isolates).
e
All isolates belong to serotype 6B.
f
Include serogroups or serotypes 8 (two isolates), 11 (two isolates), 10 (one isolate), and 20 (one isolate).