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. 2023 May 11;15(5):1152. doi: 10.3390/v15051152

Figure 2.

Figure 2

SARS-CoV-2 positive samples from rectal swab samples via RT-qPCR for N1, N2, and subgenomic message RNA (sg mRNA). (A) Box-plot with Ct values of SARS-CoV-2 positive samples and sg mRNA. Upper and lower grey horizontal lines indicate maximum and minimum values, respectively, and central gray horizontal lines indicate medians. * p < 0.05 (Mann–Whitney U-test). (B) Ct values of N1, N2, and sg mRNA of a rectal swab sample (S4), first passage (S3), second passage (S2), and cell culture supernatant containing previously isolated SARS-CoV-2 used as a positive control (S1).