Fig. 4From: Diagnostic power of one-step and two-step RT-qPCR methods to SARS‑CoV‑2 detectionROC curve analysis for detection of A N gene (one-step method), B RdRp gene (one-step method), C N gene (two-step method), D S gene (two-step method) E combination of two target S and N gene in two-step method, F combination of two target RdRp and N gene in one step methodBack to article page