TABLE 2.

Summary of the state of cats at the time of challenge^a

Cat ID	Total no. of MDCs inoculated (106)	Anti-FIV ELISA antibody titer	Anti-FIV immunoblot reactivity for:			PBMC proliferation (S.I.)b	CD4+ T cells/μl of blood	CD8+ T cells/μl of blood
			gp120	p25	p17
Vaccine group
EB	2.5	400	−	+	−	8	647	583
EC	5.4	100	+	++	++	2	1,430	2,178
EV	5	1,600	+	++	+	4	1,105	856
FC	1.8	<100	ND	ND	ND	24	1,550	1,275
GR	6.2	400	+	++	−	3	1,638	814
GT	9.5	800	+	++	−	2	1,643	1,714
GV	5.8	800	+	++	+	16	845	540
GX	3.9	1,600	+	+	−	20	1,638	814
Mock group
FD	5.8	<100	−	−	−	1	1,462	1,145
GA	7.7	<100	−	−	−	1	2,471	1,346
GB	5.0	<100	−	−	−	1	2,190	1,154
Naive group
GS	0	<100	ND	ND	ND	1	1,143	1,001
GU	0	<100	ND	ND	ND	1	1,521	1,026
GY	0	<100	ND	ND	ND	1	1,112	466
GZ	0	<100	ND	ND	ND	2	1,266	471
HB	0	<100	ND	ND	ND	1	1,235	847

^aID, identification code; −, no reactivity; +, reactive; ++, strongly reactive; ND, not done.

^bS.I., stimulation index.