Table 1. Sensitivity of viral variants to receptor antagonists.

		Viral variant
	Target cell	B14	B19	B28	B30	B31	B32
anti- CD1341	MYA-1	0.11	0.34	0.16	0.26	>50	>50
sFc- CD134	MYA-1	25	1.1	18	1.6	1.4	0.7
	MCC- CD134	40	1.8	20	1.5	1.6	1.3
AMD3100	MYA-1	0.0045	0.06	0.03	0.02	0.035	0.025
	CLL- CD134	0.14	0.4	1.0	0.5	0.5	0.5

Inhibitory concentration 50% (IC50) in µg/ml.