Type of genome | Group | Subtype | Reference sequences# | Non-reference sequences* | Total (Global HIV-1 population^) |
---|---|---|---|---|---|
Non - recombinant | M group | A | - | 6 | 6 |
 | A1 | 4 | 46 | 50 | |
 | A2 | 3 | - | 3 | |
 | B | 5 | 158 | 163 | |
 | C | 4 | 350 | 354 | |
 | D | 4 | 32 | 36 | |
 | F1 | 4 | 6 | 10 | |
 | F2 | 4 | - | 4 | |
 | G | 4 | 12 | 16 | |
 | H | 3 | - | 3 | |
 | J | 3 | - | 3 | |
 | K | 2 | - | 2 | |
 | M - Total | 40 | 610 | 650 | |
 | N group |  | 3 | 2 | 5 |
 | O group |  | 4 | 13 | 17 |
N & O Total | 7 | 15 | 22 | ||
Non-recombinants - Total | 47 | 625 | 672 | ||
Circulating Recombinant Forms (CRF) | 43 | 263 | 306 | ||
Total | 90 | 888 | 978 |