Figure 3From: Evaluation of protective immune responses induced by DNA vaccines encoding Toxoplasma gondii surface antigen 1 (SAG1) and 14-3-3 protein in BALB/c miceMeasurement of specific IgG antibodies in sera of immunized mice. Sera were collected one day prior to each immunization and determined by ELISA. Results are shown as means of OD 490±SD and statistical differences (P<0.05) are indicated by * compared with PBS or pBudCE4.1.Back to article page