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Number of SARS-CoV-2 infected persons and prevalence in the treatment catchment basin as estimated by viral RNA copies detection in wastewater and Monte Carlo simulation.
| RNA copies/100 mL | Number of infections median (95% CI) | Prevalence of infection (%) median (95% CI) |
|---|---|---|
| 12 copies/100 mL (27/3/2020) |
1090 (748–1460) | 0.181 (0.124–0.249) |
| 1.9 copies/100 mL (1/4/2020) |
171 (122−233) | 0.028 (0.019–0.039) |
| Uniform distribution: 1.9 to 12 copies/100 mL |
563 (391–764) | 0.096 (0.064–0.142) |
