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Mean risk of infection from Wells–Riley equation and re-entry ratio in various cases
| 0.1 m/s | 0.5 m/s | 1.0 m/s | 2.0 m/s | 4.0 m/s | |
|---|---|---|---|---|---|
| Mean risk of infection (second floor) (%) | 30 | 28 | 29 | 31 | 46 |
| Mean risk of infection (third floor) (%) | 2.0 | 3.4 | 3.5 | 6.6 | 1.7 |
| Re-entry ratio (%) | 7.5 | 9.6 | 10.9 | 16.3 | 3.5 |
