TABLE 2.

ELISA titers of sera from all three groups against immobilized JRFL gp120 and the priming immunogen

Following priming at weeks 0, 4, 8, and 12, all animals were boosted with JRFL gp120 at weeks 16 and 51.

Group	Prime	Animal no.	Week 6		Week 10		Week 14		Week 18		Week 53, gp120	Week 55
			gp120	b121a/2a	gp120	b121a/2a	gp120	b121a/2a	gp120	b121a/2a		gp120	b121a/2a
1	gp120	414	<100	ND	3200	ND	25,600	ND	51,200	ND	409,600	409,600	NDa
	core	415	<100	ND	3200	ND	12,800	ND	51,200	ND	409,600	204,800	ND
		416	100	ND	3200	ND	6400	ND	12,800	ND	204,800	102,400	ND
2	b121a	418	100	6400	6400	102,400	3200	102,400	3200	102,400	409,600	102,400	25,600
		419	100	25,600	400	25,600	100	25,600	1600	25,600	102,400	51,200	6400
		421	400	102,400	400	102,400	400	102,400	6400	102,400	409,600	204,800	25,600
3	b122a	422	100	102,400	<100	102,400	<100	102,400	3200	25,600	409,600	409,600	25,600
		423	<100	102,400	100	ND	100	102,400	12,800	102,400	409,600	204,800	25,600
		425	100	102,400	400	409,600	400	102,400	12,800	25,600	204,800	204,800	6400

^a ND, not done; however, values for pooled, terminal bleed sera are shown in Table 3.