Serotype categories causing invasive pneumococcal disease according to the serotype content of vaccines
| Category of serotypes | Serotypes |
| PCV7 | 4, 6B, 9V, 14, 18C, 19F and 23F |
| PCV13non7 (in PCV13 and not in PCV7) | 1, 3, 5, 6A 7F and 19A |
| PCV10non7 (in PCV10 and not in PCV7) | 1, 5 and 7F |
| PCV13non10 (in PCV13 and not in PCV10) | 3, 6A and 19A |
| Non-PCV13 (any not in PCV13) | Any serotype not in PCV13 |
| PPV23non13 (in PPV23 and not in PCV13) | 2, 8, 9N, 10A, 11A, 12F, 15B, 17F, 20, 22F and 33F |
| Non-vaccine (not in PCV13 nor in PPV23) | Any serotype not in PCV13 and not in PPV23 |