Table 1. Summary of distribution of HIV-1 (env gp41, PR) and HIV-2 (PR and INT) gene sequences.

	HIV-1 Only			HIV-2 Only			HIV-1 and HIV-2
Viruses	*PR	*gp41	Viruses	*PR	*INT	Viruses	*HIV-1 PR	*HIV-1 gp41	*HIV-2 PR	*HIV-2 INT
n = 11	CRF02	Neg	n = 10	A	Neg	n = 1	CRF02	Neg	A	Neg
n = 39	CRF06	Neg	n = 1	Neg	B	n = 2	CRF06	Neg	A	Neg
n = 4	A	Neg				n = 1	A	Neg	B	Neg
n = 1	B/D	Neg				n = 1		CRF06	A	Neg
n = 20	Neg	CRF02				n = 3	CRF06	CRF06	A	Neg
n = 27	Neg	CRF06
n = 2	Neg	CRF09
n = 1	Neg	A
n = 3	CRF02	CRF02
n = 6	CRF06	CRF06
n = 2	CRF06	CRF02

CRF, denotes circulating recombinant forms; * denotes gene regions where RT-PCR amplification was attempted; PR, protease; INT, denotes Integrase; gp41, envelope glycoprotein 41. Neg indicates no amplifiable PCR product.