Figure 4.
Protection of BALB/c mice against T. gondii acute infection. Survival curves of ROP17 DNA-immunized and control BALB/c mice were determined following lethal challenges with 1000 tachyzoites of virulent T. gondii RH strain at 2 weeks after the last immunization. Results are representative of two independent experiments and values are presented as means ± SD (n = 10). **P < 0.01 relative to the control groups.