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Different SARS-CoV-2 gene targets lead to different Ct values in diagnostic assays. Comparisons between Ct values for (A) RdRP gene and E gene, (B) RdRP gene and N gene, (C) N gene and E gene. Data are represented by a violin plot, wherein the dotted horizontal bar represents the median Ct value, and the solid horizontal bars represent the interquartile range. Comparisons were made by Wilcoxon matched-pair signed-rank test. ns, p>0.05; ∗∗∗∗ p≤0.0001.
