Fig. 4From: Comparing malaria risk exposure in rural Cambodia population using GPS tracking and questionnairesParticipants’ serostatus and ΔOD by season (N = 270). The black dot indicates the mean ΔOD of each group (meandry = 0.476, meanrainy = 0.976). The purple line indicates the cut-off value calculated form the negative controls (cut-off value = 0.539)Back to article page