Transmission of COVID-19 virus by droplets and aerosols: A critical review on the unresolved dichotomy

doi:10.1016/j.envres.2020.109819

Fig. 2

Trajectories of droplets and aerosols from an infected patient (a) event of sneezing with droplets travelled for 6 m at a speed of 50 m/s within 0.12 s (b) event of coughing with droplets travelled for 2 m at a speed of 10 m/s within 0.2 s (c) event of exhaling with droplets travelled for 1 m at a speed of 1 m/s within 1 s.