Figure 2From: Measurement of parasitological data by quantitative real-time PCR from controlled human malaria infection trials at the Walter Reed Army Institute of ResearchParasite density as measured by qPCR. The geometric mean is shown from both studies with 95% confidence intervals, from the day which qPCR was initiated (day 5 after challenge) until the day the subjects became smear positive and treatment was initiated.Back to article page