Physicochemical properties of respiratory droplets and their role in COVID-19 pandemics: a critical review
Ting Ge1,*(), Shengfeng Cheng2,*()

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Figure 9.. Schematic illustration of the trajectory (black dashed lines) of an individual virus particle in a respiratory droplet (A) and a mucus layer (green chains) (B). The virus particles are drawn as core-shell structures with the core colored in red.