TABLE 1.
Serotype distribution, penicillin resistance, and diversity of isolates of S. pneumoniae from patients with meningitis
| Serotype | n | Pena | No. of STs | No. of clonesb |
|---|---|---|---|---|
| 6B | 12 | 12 | 6 | 2 |
| 3 | 9 | 0 | 2 | 2 |
| 18C | 9 | 0 | 6 | 2 |
| 14 | 9 | 9 | 7 | 1 |
| 19F | 7 | 4 | 6 | 2 |
| 23F | 7 | 7 | 4 | 1 |
| 15B | 4 | 1 | 3 | 1 |
| 9V | 4 | 4 | 1 | 1 |
| 12F | 4 | 0 | 1 | 1 |
| 19A | 4 | 1 | 2 | 1 |
| 11A | 4 | 0 | 3 | 1 |
| 4 | 4 | 0 | 4 | 1 |
| 8 | 4 | 0 | 2 | 1 |
| 33F | 3 | 0 | 1 | 1 |
| 20 | 3 | 0 | 3 | 0 |
| 15A | 2 | 2 | 1 | 1 |
| 16F | 2 | 0 | 1 | 1 |
| 23A | 2 | 0 | 2 | 1 |
| Otherc | 13 | 0 | 13 | |
| Total | 106 | 40 | 68 | 21 |
a
Pen, penicillin resistant.
b
Clones are defined as isolates with the same ST plus those that differ at a single locus.
c
The 13 serotypes that were represented by only a single isolate are grouped together.