Table 1.

Immunization strategy in mice.

Group	Immunization strategy (each mouse)	Challenge strategy (each mouse)
Blank	Equal volume of PBS at weeks 0 and 2	103 tachyzoites were challenged intraperitoneally at week 4
Control	100 μg of pVAX1 plasmid at weeks 0 and 2
pVAX1/CS	pVAX1/CS nanospheres containing 100 μg of pVAX1 plasmid at weeks 0 and 2
pVAX1/PLGA	pVAX1/PLGA nanospheres containing 100 μg of pVAX1 plasmid at weeks 0 and 2
TgP2-pVAX1	100 μg of TgP2-pVAX1 plasmid at weeks 0 and 2
TgP2-pVAX1/CS	TgP2-pVAX1/CS nanospheres containing 100 μg of TgP2-pVAX1 plasmid at weeks 0 and 2
TgP2-pVAX1/PLGA	TgP2-pVAX1/PLGA nanospheres containing 100 μg of TgP2-pVAX1 plasmid at weeks 0 and 2