Table 1.

Neutralizing antibody titers in sera

Neutraling titers, IC50
Group	Dose	Animal	Day0	Day3	Day6/7
IVAG	10mg/kg	11-001	2372	1939	1000
		11-007	1977	1477	751
		11-009	2447	1484	823
		11-015	1912	658	923
		11-017	1378	457	127
	2mg/kg	11-059	109	56	<50
		11-063	174	110	70
		11-065	293	217	79
		11-067	254	219	93
		11-069	427	279	169
	0.4mg/kg	11-071	50	<50	<50
		11-073	51	<50	<50
		11-075	75	<50	<50
		11-077	<50	<50	<50
		11-079	46	<50	<50
IR	10mg/kg	RAs14	2354	1333	954
		RMm14	2838	1333	968
		REn14	1839	1387	928
		RPr14	2761	1731	450
	2mg/kg	ROt14	328	181	123
		RFr14	798	443	257
		RNg14	462	289	153
		RQg14	451	233	180
	0.4mg/kg	RAo14	52	<50	<50
		RYt14	71	<50	<50
		RQr14	96	52	<50
		RPn14	<50	<50	<50

Numbers represent reciprocal dilution of serum producing 50% neutralization.

Days after antibody administration, day 0 is the day of challenge.