TABLE 1.
Pneumococcal strains used in this study
| Strain | Type | Relevant characteristic | Reference |
|---|---|---|---|
| P71 | 18C | Opaque variant of clinical isolate p68 | 11 |
| P73 | 18C | Transparent variant of clinical isolate p68 | 11 |
| P376 | 6A | Opaque variant of clinical isolate p303 | 11 |
| P384 | 6A | Transparent variant of clinical isolate p303 | 11 |
| P382 | 6B | Opaque variant of clinical isolate p324 | 11 |
| P383 | 6B | Transparent variant of clinical isolate p324 | 11 |
| 23F Op | 23F | Opaque variant of clinical isolate Rnp6 | This study |
| 23F Tr | 23F | Transparent variant of clinical isolate Rnp6 | This study |