Table 4 Recommended social distance on cases with upward ventilation.

From: Quantitative evaluation of precautions against the COVID-19 indoor transmission through human coughing

Case no.

Horizontally (m)

Vertically (m)

3 (ventilation)

6

6

5 (mask and ventilation)

3

3

6 (ventilation and screen)

6

3

8 (mask and ventilation and screen)

3

3