Table 2 Concentration of SARS-CoV-2 RNA and percentage of MgV recovery (%) from different sample volumes (200 mL from fresh samples and 100 mL from frozen samples) using method 4.
From: Improved methods for the detection and quantification of SARS-CoV-2 RNA in wastewater
Datea | Volume (mL) | N1 (log10 gc/L) | N2 (log10 gc/L) | MgV (%) | Volume (mL) | N1 (log10 gc/L) | N2 (log10 gc/L) | MgV (%) |
|---|---|---|---|---|---|---|---|---|
12/10/2020 | 200b | – | – | 0.94 | 100 | 4.25 | 4.60 | 5.74 |
05/10/2020 | 200 | Positivec | Positivec | 5.48 | 100 | 3.41 | 3.60 | 21.34 |
28/09/2020 | 200 | 4.74 | 4.01 | 11.74 | 100 | 3.75 | 3.76 | 18.08 |
21/09/2020 | 200 | 3.55 | N.D. | 5.91 | 100 | 3.90 | 3.95 | 14.15 |
14/09/2020 | 200 | 4.50 | Positivec | 6.22 | 100 | 4.20 | 4.10 | 17.52 |
07/09/2020 | 200 | 4.70 | 3.15 | 8.41 | 100 | 4.65 | 4.57 | 17.59 |
31/08/2020 | 200 | 4.51 | 4.38 | 3.33 | 100 | 3.93 | 3.51 | 12.84 |
24/08/2020 | 200 | 5.05 | 4.88 | 14.17 | 100 | 3.95 | 3.92 | 11.84 |
