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HomeMIT RES.10-S95 Physics of COVID-19 Transmission, Fall 2020Video 1-7: Transfer of Respiratory Pathogens—Escape Time of Virions

Video 1-7: Transfer of Respiratory Pathogens—Escape Time of Virions

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Video 1-8: Transfer of Respiratory Pathogens—Release of Viral Load from a Drop (ASIDE)

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Virions cannot swim and must diffuse out of a respiratory droplet. The average escape time is proportional to the radius of the droplet squared and inversely proportional to the diffusivity, which is inversely proportional to the viscosity of the liquid.

Speaker: Professor Martin Z. Bazant