Table 4. Serotype carriage prevalence among population-based and HIV-infected samples.
| Population-based sample | HIV-infected sample | |||
| Serotype | N | Prevalence (%) | N | Prevalence (%) |
| 19F | 283 | 10.0 | 14 | 14 |
| 6A | 237 | 8.3 | 13 | 13 |
| 6B | 184 | 6.5 | 5 | 5 |
| 23F | 117 | 4.1 | 9 | 9 |
| 11A | 90 | 3.2 | 1 | 1 |
| 14 | 85 | 3.0 | 1 | 1 |
| 35B | 84 | 3.0 | 2 | 2 |
| 23B | 70 | 2.5 | 1 | 1 |
| 10A | 56 | 2.0 | 0 | 0 |
| 15B | 54 | 1.9 | 3 | 3 |
| 19A | 53 | 1.9 | 1 | 1 |
| 9V | 51 | 1.8 | 3 | 3 |
| 13 | 49 | 1.7 | 3 | 3 |
| 15A | 49 | 1.7 | 2 | 2 |
| 15C | 43 | 1.5 | 2 | 2 |
| 34 | 38 | 1.3 | 0 | 0 |
| 3 | 34 | 1.2 | 4 | 4 |
| 16F | 34 | 1.2 | 0 | 0 |
| 18C | 29 | 1.0 | 0 | 0 |
| 19B | 25 | 0.9 | 2 | 2 |
| 7C | 23 | 0.8 | 1 | 1 |
| 20 | 21 | 0.7 | 3 | 3 |
| 23A | 19 | 0.7 | 1 | 1 |
| 21 | 18 | 0.6 | 0 | 0 |
| 35A | 15 | 0.5 | 0 | 0 |
| 1 | 13 | 0.5 | 0 | 0 |
| 33B | 13 | 0.5 | 0 | 0 |
| 4 | 12 | 0.4 | 0 | 0 |
| Other types | 69 | 2.4 | 4 | 4 |
| All types | 1,868 | 65.8 | 75 | 76 |
There is no evidence of a difference between the HIV-infected and population-based samples in the distribution of serotypes (χ2 (28) 33.4, p = 0.223).