Table 3.
Characteristics of penicillin non-susceptible (MIC > 0.6 μg/ml) Streptococcus pneumoniae serotypes recovered from nasopharyngeal carriers in a large metropolitan area in Southeastern Brazil
| Penicillin MIC | Number of isolates (%) | Serotypes (number of isolates) | Institution (number of isolates) |
|---|---|---|---|
| 0.12 μg/ml |
5 (15.1) |
19F (3), 6B, 34 |
Pediatric hospital |
| 0.18 μg/ml |
2 (6.1) |
19F, 23F |
Pediatric hospital |
| 0.375 μg/ml |
2 (6.1) |
6A, 23F |
Pediatric hospital |
| 0.25 μg/ml |
11(33.3) |
23F (5), 6B (3), NT (2), 10A |
Pediatric hospital (7) |
| Day care center (4) | |||
| 0.5 μg/ml |
2 (6.1) |
6A (2) |
Pediatric hospital |
| 4.0 μg/ml |
11 (33.3) |
14 (9), NT (2) |
Pediatric hospital (5) |
| Day care center (6) | |||
| Total | 33 (100) |
MIC Minimum Inhibitory Concentrations.
NT non-typeable.