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SARS-CoV-2 detection and concentration in air, surface swab and wastewater samples.
| Environmental Matrix | Number of samples collected | Number of SARS-CoV-2 positive samples (% total) | loge (SARS-CoV-2 gc) (95 % Confidence Interval (CI; n) |
|---|---|---|---|
| Air (gc/m3) | 165 | 50 (30.3) | 2.7 (2.4–3.0; 50) |
| Surface (gc/m2) | 166 | 33 (19.9) | 2.8 (2.4–3.2; 33) |
| Wastewater (gc/L) | 114 | 57 (50.0) | 6.5 (6.2–6.8; 57) |
| Total | 445 | 140 (31.5) | 4.3 (3.9–4.6; 140) |
