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. 2020 Jun 3;5(2):255–261. doi: 10.1007/s41403-020-00106-w

Fig. 1.

Fig. 1

The “cough cloud” captured from a human subject by superposing instantaneous images. The left picture shows droplet trajectories and the right picture shows a visualization of the cough cloud. Reprinted with permission from Cambridge University Press (Fig. 3e, f in Bourouiba et al. 2014)