Figure 2From: CpG increases vaccine antigen-specific cell-mediated immunity when administered with hepatitis B vaccine in HIV infectionProliferative responses to hepatitis B surface antigen (HBsAg). A) stimulation index (SI) or B) change in SI from baseline are enhanced over the 48 week study period in subjects that received hepatitis B vaccine plus CpG (solid line; n = 19) as compare to those that received hepatitis B vaccine alone (broken line (n = 19) *p 0.04 by Mann Whitney U Test.Back to article page