From: HIV-Tat immunization induces cross-clade neutralizing antibodies and CD4+ T cell increases in antiretroviral-treated South African volunteers: a randomized phase II clinical trial
Vaccinees (n = 99)
Placebos (n = 100)
n
%
IgM+
1
1.0
5
5.0
IgG+
9
9.1
IgA+
0
0.0
2
2.0
IgMÂ +Â IgG+
11
11.1
4
4.0
IgMÂ +Â IgA+
IgGÂ +Â IgA+
7
7.1
3
3.0
IgMÂ +Â IgGÂ +Â IgA+
68
68.7
Ab-negative
80
80.0