TABLE 1.

Humoral immune responses to SIV gp120 in serum and secretory fluids at the time of challenge

Humoral immune responseAntibody to SIV gp120a for:
Immunized macaquesControl macaques
Serum neutralizing antibody3,181 ± 5980
Serum IgG binding antibody71,200 ± 11,7410
Nasal IgG binding antibody377 ± 12010 ± 6
Vaginal IgG binding antibody1,220 ± 2920
Nasal IgA binding antibody0.136 ± 0.0420.007 ± 0.007
Saliva IgA binding antibody0.138 ± 0.0500.042 ± 0.017
  • a Mean titers ± the standard error of the mean are reported for neutralizing and IgG binding antibodies. Mean absorbance values ± standard error of the mean are reported for IgA antibodies.