TABLE 3.

Summary of VEEV-GP VRP duration of protection study

Challenge virus and VRP typea	No. of survivors/total no. of mice in group by time of challenge (mos.)b
	1.5	2	6	12
VEEV-IAB
VEEV	1/10	10/10	10/10	10/10
V/W/E	1/10	10/10	6/10	8/9
Control	0/5	0/5	0/5	0/4
Mock	0/5	0/5	0/5	0/5
VEEV-IE
VEEV	2/10	10/10	9/10	10/10c
V/W/E	3/10	10/10	10/10	7/9c
Control	0/5	0/5	0/5	0/5
Mock	0/5	0/5	0/5	0/5
VEEV-IIIA
VEEV	4/10	9/9	10/10	10/10c
V/W/E	1/10	11/11	10/10	9/9c
Control	0/5	0/5	0/5	0/5
Mock	0/5	0/5	0/5	0/5

^aAerosol challenge.

^bTime of challenge is indicated as time post-priming vaccination.

^cNonlethal illness observed.