Fig. 2From: Vaccination with Toxoplasma gondii calcium-dependent protein kinase 6 and rhoptry protein 18 encapsulated in poly(lactide-co-glycolide) microspheres induces long-term protective immunity in miceIgG antibodies induced by various protein vaccines in the sera of mice at 0, 2, and 8 weeks. Each bar represents the mean OD (± SE, n = 3). *P < 0.05, **P < 0.01 compared with the controls. NS: not significantBack to article page