Table 3.
Distribution of 10 Most Frequently Isolated Serotypes From Carriage Swab Samples Positive for Pneumococcus Obtained From Children and Adults Enrolled in the 2006–2008 Study
| Top 10 Serotypes by Age Group | Samples, No. | Proportion, % |
| Children aged <2 y (n = 669) | ||
| 6C | 78 | 11.7 |
| 19A | 69 | 10.3 |
| 15A | 46 | 6.7 |
| 23B | 44 | 6.6 |
| 35B | 39 | 5.8 |
| 22F | 34 | 5.1 |
| 23A | 30 | 4.5 |
| NT | 27 | 4.0 |
| 11A | 26 | 3.9 |
| 15C | 23 | 3.4 |
| Children aged 2 to <5 y (n = 867) | ||
| 6C | 77 | 8.9 |
| 19A | 73 | 8.4 |
| 15A | 55 | 6.3 |
| 22F | 55 | 6.3 |
| NT | 45 | 5.2 |
| 23B | 44 | 5.1 |
| 35B | 44 | 5.1 |
| 11A | 41 | 4.7 |
| 16F | 38 | 4.4 |
| 21 | 37 | 4.3 |
| Children aged 5 to <9 y (n = 586) | ||
| 6C | 45 | 7.7 |
| 19A | 41 | 7.0 |
| 23B | 37 | 6.3 |
| NT | 35 | 6.0 |
| 35B | 34 | 5.8 |
| 22F | 29 | 5.0 |
| 3 | 28 | 4.8 |
| 17F | 27 | 4.6 |
| 10A | 25 | 4.3 |
| 34 | 24 | 4.1 |
| Adults (≥17 y) (n = 288) | ||
| 6C | 28 | 9.7 |
| 19A | 25 | 8.7 |
| NT | 25 | 8.7 |
| 35B | 20 | 6.9 |
| 7C | 20 | 6.9 |
| 34 | 19 | 6.6 |
| 17F | 18 | 6.3 |
| 22F | 16 | 5.6 |
| 15A | 12 | 4.2 |
| 23B | 10 | 3.5 |