TABLE 1.

Summary of primary HIV-1 isolates tested

Patient	Virus	Reference(s)	Patient designation in reference(s)
W	Early R5 isolate	7, 8, 22	Patient C (1/85)
	Late R5X4 isolate	7, 8, 22	Patient C (7/86)
X	Early R5X4 isolate	None	None
Y	Early R5 isolate	16	MJM
Z	Early R5 biological clone	25	Patient 8
	Late R5 biological clone	25	Patient 8
	Late R5X4 biological clone	25	Patient 8
A	Early R5 biological clone	3, 4, 10, 24, 28	ACH 424
	Late R5 biological clone	3, 4, 10, 24, 28	ACH 424
B	Early R5 biological clone	4	ACH 537
	Late R5 biological clone	4	ACH 537
C	Early R5 biological clone	4, 10	ACH 38
	Late R5 biological clone	4, 10	ACH 38
D	Early R5 biological clone	4, 10	ACH 617
	Late R5 biological clone	4, 10	ACH 617