FIG. 11.

(a) Variation of the lifetime extension by number of factors as compared to the lifetime of a droplet behaving according to the Wells model⁵¹ with the relative humidity. (b) Relative humidity field at 600 ms when the ambient RH is 50% and 90%. Reproduced with permission from Chong et al., “Extended lifetime of respiratory droplets in a turbulent vapor puff and its implications on airborne disease transmission,” Phys. Rev. Lett. 126, 034502 (2021).⁵⁰ Copyright 2021 American Physical Society.