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REGA (version 3) sub-typing analysis revealed a high prevalence of HIV-1 B-clade and recombinants, including subtype B (92.8%) and B/D recombinant (5.9%). A much smaller number of cases also involved (1.3%); subtype A (A1), A (01-AE), A (A2-like), CRF-39 BF-like, recombinant 39-BF/D, and others. Some of the recombinants appeared as early as in 2001.
