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| Serotype | No. of isolates | |
|---|---|---|
| 2009–2013 | 2014–2016 | |
| 3a | 8 | 5 |
| 4a | 1 | 0 |
| 6Aa | 1 | 0 |
| 6Ba | 1 | 2 |
| 7Fa | 8 | 0 |
| 8 | 2 | 6 |
| 9Va | 2 | 1 |
| 9N | 2 | 1 |
| 10A | 2 | 1 |
| 11A | 8 | 4 |
| 12F | 1 | 1 |
| 14a | 4 | 0 |
| 15A | 8 | 6 |
| 17F | 15 | 0 |
| 19Aa | 13 | 0 |
| 19Fa | 5 | 0 |
| 20 | 1 | 2 |
| 22F | 0 | 3 |
| 23B | 6 | 1 |
| 35B | 1 | 6 |
| 35F | 0 | 2 |
a13-valent pneumococcal conjugate vaccine serotypes.
