How Far and how long can be Infectious Droplets Travel and Patient Room Design Guideline

A recent study from Dr. Fred Bets, from Wisconsin International Building Performance Simulation Asscoiation (IBPSA), revealed the air-borne transport mechanism of droplets from COVID-19 patients and how to prevent it. The time scale of exposure to droplet, distance of travel of droplet exhaled from patients are given by the study.  Based on the study and previous knowledge on SARS, the effect the humidity and droplet size on the travel distance of aerosols are revealed, which shows the importance of maintaining humidity and social distance in COVID-19 prevention.  And the tentative building layout are given for hospital rooms treating the COVID-19 patient.







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