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. 2023 Feb 15;15(1):71–81. doi: 10.1007/s12560-022-09542-z

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Fig. 3 — The normalised technical repeat variability in SARS-CoV-2 quantification from two RT-qPCR assays based on the Fast Virus (FV) and qScript (qS) chemistries as calculated by Eq.5 (A), detection rates for technical repeats (B) and samples as determined by a positive result in at least one of the technical repeats (C). Solid lines and black markers show the median and mean (A); n = 205 (A), 528 (B) and 264 (C)