Prevalent pairings in abnormal cytology in HIV-negative women | Occurrences (n) | % in abnormal cytology |
 HPV 18 and 31 | 2 | 3 |
 HPV 31 and 52 | 7 | 2 |
Prevalent pairings in HIV infected women with abnormal cytology | ||
 HPV 16 and 39 | 2 | 6 |
 HPV 16 and 52 | 9 | 7 |
 HPV 16 and 51 | 4 | 5 |
 HPV 16 and 53 | 10 | 7 |
 HPV 18 and 52 | 12 | 5 |
 HPV 18 and 53 | 8 | 5 |
 HPV 31 and 51 | 2 | 5 |
 HPV 35 and 51 | 2 | 5 |
 HPV 35 and 53 | 4 | 7 |
 HPV 45 and 53 | 0 | 6 |
 HPV 45 and 59 | 2 | 5 |
 HPV 51 and 53 | 2 | 7 |
 HPV 51 and 56 | 1 | 6 |
 HPV 52 and 56 | 3 | 6 |
 HPV 53 and 56 | 1 | 5 |