IL10 and infection: At day 63 post inoculation (35 days following the first vaccination dose), Hpb infection induced a marked increase in IL-10 levels in the sera of group 2 compared to the uninfected animals (group 1; 42.9 ± 14.77 pg/mL vs. 2.4 ± 2.2 pg/mL, p = 0.042) or the uninfected but Pfs230-vaccinated animals (group 3; 10.1 ± 6.8 pg/mL).