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(A) C3H mice immunized i.m. with p1tPASAG1 twice at weeks 0 and 3 and challenged at week 5 with 105 RH tachyzoites i.p. were 100% protected compared to mice immunized with empty plasmid. (B) Protection of three groups of BALB/c mice immunized with p1tPASAG1 twice at weeks 0 and 3 challenged at week 11.
