Fig. 5From: Immune response and protective effect against chronic Toxoplasma gondii infection induced by vaccination with a DNA vaccine encoding profilinProtection against chronic toxoplasmosis in mice immunized with pVAX-PF + pVAX-IL-15, pVAX-PF alone and in controls two weeks after the last booster. Mice immunized with pVAX-IL-15, pVAX I, PBS or nothing were treated as controls in statistical analysis. Each bar represents the mean number (±S.E., n = 6). *** P < 0.0001. ** P < 0.01. NS: not significantBack to article page