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Number of tissue cysts per brain, after Toxoplasma gondii challenge, in mice from all groups. Mice immunized with rTgTrxLp + rTgENO2, rTgTrxLp, and rTgENO2 were challenged with 10 tissue cysts of Toxoplasma gondii PRU strain, 2 weeks after the final booster. ∗∗ P < 0.01 and ∗∗∗ P < 0.0001; NS: not significant compared to controls. Mice that received PBS and Freund's adjuvant were treated as controls in statistical analysis. Each bar represents the mean number (±SE, n = 6).
