Table 2.

In vitro activities of purified MAbs

MAb	ELISAa	PRNT90b	PRNT/ELISA Ratio
m864	0.005 μg/ml	0.1 μg/ml	20
864-cIgG	0.08 μg/ml	10 μg/ml	125
2C9-cIgG	0.25 μg/ml	> 10 μg/ml	>40

^aELISA endpoint titers in μg/ml of MAb using purified 17D-204 as antigen.

^b90% plaque-reduction neutralization test end-point titers in μg/ml MAb