Table 1.
Detection of SARS-CoV-2 in wastewater in some parts of the world.
| Location | Detection method | Type of sample | Positive sample | References |
|---|---|---|---|---|
| Milan and Rome, Italy | A novel nested PCR | Municipal wastewater | 6/12 | [34] |
| Louisiana, USA | RT-qPCR | Municipal wastewater | 2/7 | [35] |
| New York, USA | RT-qPCR | Municipal wastewater | 18/22 | [36] |
| Istanbul, Turkey | RT-qPCR | Municipal wastewater treatment sludges | 2/2 | [37] |
| 7/7 | ||||
| Municipal wastewater | 5/7 | [38] | ||
| Southeast Queensland, Australia | RT-qPCR | Municipal wastewater | 2/9 | [39] |
| Valencia, Spain | RT-qPCR | Untreated wastewater | 35/42 | [40] |
| Secondary treated water | 2/18 | |||
| Tehran, Iran | RT-qPCR | Treated wastewater samples of different WWTPs | 2/10 | [41] |