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Saturday, April 17, 2021

App Calcs Infection Risk in Rooms

Wonder at the broad claims to accuracy here,  but the components are interesting.  Note the HEADS reference below. 

App Calculates Corona Infection Risk in Rooms

Max Planck Gessellschaft (Germany), April 9, 2021

A free Web application designed by researchers at Germany's Max Planck Institute for Dynamics and Self-Organization (MPIDS) and the University Medical Center Göttingen can calculate the risk of coronavirus infection indoors. The app employs a method called HEADS (Human Emission of Aerosol and Droplet Statistics) to calculate infection risk via aerosols. Users input a few parameters, like the size of a room, how many people are present, and whether they are breathing, talking loudly, or perhaps singing. HEADS accounts for the fact that larger aerosol droplets can be more harmful when released, because they can contain multiple viruses. MPIDS' Mohsen Bagheri said, "With our holographic and particle tracking measurements, we now know the large aerosols very well. This allows us to determine the viral load in an indoor environment very well." ... '

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