Fig. 4From: The increased sensitivity of qPCR in comparison to Kato-Katz is required for the accurate assessment of the prevalence of soil-transmitted helminth infection in settings that have received multiple rounds of mass drug administrationDensity histogram of Ascaris lumbricoides, Trichuris trichiura and hookworm target DNA copy numbers per µl for all samples that were negative by KK (blue bars) and positive by KK (red bars)Back to article page