Table 1.

HIV-1 primary isolates and laboratory-adopted strains

Code	Isolate ID	HIV-1 subtype	Source of tissue	Country	NSI/SI	Co-receptor
1	Bal	B	Lung	USA	NSI	R5
2	UG275	A	PBMC	Uganda	NSI	R5
3	BZ163	F	PBMC	Brazil	NSI	R5
4	BCF-KITA	H	PBMC	Zaire	NSI	R5
5	BZ167	B	PBMC	Brazil	SI	X4
6	SE365	D	PBMC	Senegal	SI	X4
7	JAGO	NI*	CSF	USA	NSI	R5
8	JRFL	B	Brain Tissue	USA	NSI	R5

^*NI: Not identified