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T90 (days) with 95% confidence intervals (CI) for infectious SARS-CoV-2 and MS2 in river water and seawater. s: stable for the duration (20 days) of the experiment.
| T90 (days) | River water 4°C | River water 20°C | Seawater 4°C | Seawater 20°C |
|---|---|---|---|---|
| SARS-CoV-2 filter sterilised water | 3.8 (3.3-4.3) | 2.3 (1.9-2.9) | 2.2 (1.8-2.8) | 1.1 (1.0-1.3) |
| MS2 filter sterilised water | s | 3.2 (2.6-6.8) | 10.2 (6.4-25.3) | 7.8 (4.7-23.5) |
| MS2 non-filter sterilised water | s | 2.0 (1.9-2.1) | 6.7 (4.9-10.7) | 1.9 (1.3-3.1) |
