Table 2.

Env-specific sIgA titers after second gp120 boost

Secretion	Immunization group (Mean log2-transformed sIgA titerb ± SEM)
	s.l.	i.n./i.t.	i.v.	i.r.	Control
Rectal	1.3 ± 0.7	2.2 ± 0.8	1.7 ± 0.3	3.0 ± 0.6	0.5 ± 0.2
Nasal	3.2 ± 0.5	3.8 ± 0.5	3.0 ± 1.0	4.0 ± 1.0	0.5 ± 0.2
Vaginala	1.0	2.0	2.0 ± 0.6	7.0	0
Saliva	0 ± 0	0 ± 0	0 ± 0	0.7 ± 0.3	0.2 ± 0.2

^aOne female macaque per group except three in i.v. group.

^bTiters of <2 were scored as 1 (log₂ transformed = 0).