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Kaplan–Meier and Nelson–Aalen plots of malaria incidence over the study period. (a) Kaplan–Meier estimate of the proportion of children remaining free of malaria over the course of the study period. (b) Nelson–Aalen estimate of the cumulative Hazard over the study period. Vertical black lines show the approximate end of the SMC period (at 150 days) and the approximate start of the 2013 transmission season (at 270 days).
