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Temporal variation of the (a) mean saliva droplet diameter D10, (b) maximum saliva droplet diameter Dmax and (c) liquid penetration distance, which is defined as the maximum distance a saliva liquid droplet with a 95% initial mass can travel. Reproduced with permission from T. Dbouk and D. Drikakis, “On coughing and airborne droplet transmission to humans,” Phys. Fluids 32(5), 053310 (2020).27 Copyright 2020 AIP Publishing.
