Fig. 3From: Development of a rapid and specific MALDI-TOF mass spectrometric assay for SARS-CoV-2 detectionOverview of 53 SARS-CoV-2-Positive Nasopharyngeal Samples. Ct values in RT-qPCR are compared to the concentration of peptide C from SARS-CoV-2 nucleoprotein as determined by MALDI-TOF-MS in the same samplesBack to article page