Figure 4From: Immunological analysis of a Lactococcus lactis-based DNA vaccine expressing HIV gp120Antibody subtypes following immunization. Ratio IgG1/IgG2a anti-gp120 antibodies from samples of week 18. Antibody subtypes of individual mice was determined and a mean of each group (n = 10) is shown with error-bars representing 2 × SEM.Back to article page