Fig. 2From: Safety and feasibility of apheresis to harvest and concentrate parasites from subjects with induced blood stage Plasmodium vivax infectionFold enrichment of parasites/ml determined by 18S qPCR. Fold enrichment of parasites as determined by 18 qPCR in samples collected using apheresis compared to the pre-apheresis samples in subjects 1 to 3 (a) and subject 4 (b)Back to article page