Figure 2From: Mechanisms of protective immune responses induced by the Plasmodium falciparum circumsporozoite protein-based, self-assembling protein nanoparticle vaccineImmunofluorescence assay of Plasmodium falciparum sporozoites incubated with Pf CSP-SAPN immune sera at a 1:20 dilution. Preimmune sera from the mice, sera from Pv CSP-SAPN immunized mice, and secondary antibody only sera tests resulted in negative immunofluorescence.Back to article page