Figure 3From: Evaluation of the VP22 protein for enhancement of a DNA vaccine against anthraxA/J mice were immunised with DNA vaccines expressing PA63, VP22-PA63 or PA63-VP22. Anti-PA total IgG levels in the sera at day 38 were determined by ELISA. Bars represent the mean of each group, the error bars represent 95% confidence intervals. n = 10 mice per group.Back to article page