Table 3.

IgG antibody titers of monkeys immunized with inactive SARS CoV candidate

Dose(μg)	Animal	Days post first immunization
		0	3	7	11	14	21	28 (day 8 p.i.)	35 (day 15 p.i.)
0.5	#1	<100	<100	<100	<100	<100	200	800	3200
	#2	<100	<100	100	<100	<100	<100	100	100
	#3	<100	<100	200	<100	400	800	1600	3200
	#4	<100	<100	100	<100	800	1600	3200	1600
5	#5	<100	100	200	400	800	3200	>12800	>12800
	#6	<100	<100	100	<100	<100	<100	<100	200
	#7	<100	<100	100	100	400	1600	1600	3200
	#8	<100	100	400	800	1600	3200	6400	6400
50	#9	<100	100	400	800	1600	>6400	>12800	>12800
	#10	<100	100	200	400	400	1600	6400	6400
	#11	<100	<100	100	200	800	>3200	12800	12800
	#12	<100	<100	200	400	400	1600	3200	>12800
PBS	#15	<100	<100	<100	<100	<100	<100	NTa	NTa
	#16	<100	<100	<100	<100	<100	<100	NTa	NTa

Titers are reported as the inverse of the last dilution of serum for which the OD value is greater than 0.1 absorbance units and at least 2.1-fold that of the control.

^aNT: not test.