Fig. 5From: Mosquito bite immunization with radiation-attenuated Plasmodium falciparum sporozoites: safety, tolerability, protective efficacy and humoral immunogenicityDevelopment of parasitaemia in the immunized and infectivity control subjects. Parasitaemia-free survival curves (Kaplan–Meier) for immunized subjects and infectivity controls based on microscopic examination of peripheral blood smears. P < 0.0001 (Log rank test)Back to article page