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. 2021 Jan 6;768:144704. doi: 10.1016/j.scitotenv.2020.144704

Table 5.

Community surveillance: SARS-CoV-2 RNA CT values detected by real-time RT-PCR from raw sewage samples of selected gated community. n.d.=not detected; PC=positive control; NTC=no template control.

Date of Collection Capacity of STP Sample ID CT Values
E gene N gene ORF1ab
14-07-2020 72 Houses C1 31.87±0.317 31.93±0.453 31.65±0.570
C2 31.06±1.047 32.56 33.32
PC 23.98 25.20 23.80
NTC n.d. n.d. n.d.