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. 2020 Nov 10;758:143578. doi: 10.1016/j.scitotenv.2020.143578

Fig. 3.

Fig. 3

Comparison of the qRT-PCR assays applied for detection of SARS-CoV-2 in the wastewater samples. Each column indicates the sample, which was determined to be positive by at least one of the assays, and the assay. White, vertically striped, and black columns indicate that SARS-CoV-2 was not detected, was detected in <1.0 × 101 copies/reaction, and was detected in >1.0 × 101 copies/reaction, respectively. Numbers shown on black columns indicate SARS-CoV-2 concentrations determined by the assay (copies/reaction).