Fig. 3From: Low detection rate of RT-PCR-confirmed COVID-19 using IgM/IgG rapid antibody tests in a large community sample in Lima, PeruSensitivity of the SARS-CoV-2 rapid antibody versus weeks since onset of individual symptoms among those who reported the symptom, using the RT-PCR test as the reference. The circles show the crude estimated sensitivity. The lines show the fitted segmented regressionBack to article page