Fig. 3From: High proportions of asymptomatic and submicroscopic Plasmodium vivax infections in a peri-urban area of low transmission in the Brazilian AmazonPrevalence of P. vivax blood-stages and P. vivax gametocytes and parasite densities in different age groups. Geometric mean and 95% confidence interval are shown Plasmodium vivax blood-stage (Pv) density was determined by qPCR (18S rDNA copies/μl) and gametocyte (Pv gam) density by RT-qPCR (pvs25 transcripts/μl)Back to article page