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Distribution of HIV-1 Subtypes Identified Based on the V3-V4 Region of the env Gene in Each Risk Group
| CRF01_AE | CRF07_BC | B | Total | |
|---|---|---|---|---|
| Homosexuals | 20 | 5 | 6 | 31 |
| Heterosexuals | 2 | — | 6 | 8 |
| Former plasma donors/blood transfusion recipients | — | 1 | 6 | 7 |
| Injection drug users | — | — | 1 | 1 |
| Total | 22 | 6 | 19 | 47 |
