Figure 5

Quantification of viral RNA levels in immunized mice after inoculated with DENV2 NGC strain. Two weeks after the last immunization, mice were infected with DENV2 NGC strain through peritoneal injection. Viral RNA levels of sera were quantified by qRT-PCR at day 0.25, 1, 2, 3, 4 and 5 post-infection. PH10 and PM10 were used as control. The vial RNA levers in the PL10 group were always higher than that in groups of PH10, PM10 and PBS at any given time point. Data are expressed as means of at least three independent experiments. The error bars represent standard deviations (SD); * P < 0.05 vs control groups (PH10, PM10, PBS).