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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

From: Nasopharyngeal carriage, serotype distribution and antimicrobial resistance of Streptococcus pneumoniae among children from Brazil before the introduction of the 10-valent conjugate vaccine

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)

  
  1. MIC Minimum Inhibitory Concentrations.
  2. NT non-typeable.