Figure 2From: Measuring naturally acquired ex vivo IFN-γ responses to Plasmodium falciparum cell-traversal protein for ookinetes and sporozoites (CelTOS) in Ghanaian adults Proportion of IFN-γ positive responders to the four separate CelTOS pools. The absolute number of responders for each pool has been expressed as a proportion of the total number of volunteers (35).Back to article page