Patterns of SARS-CoV-2 aerosol spread in typical classrooms

Patterns of SARS-CoV-2 aerosol spread in typical classrooms

Current well-mixed assumptions are conservative and unsuited for an occupied area. * Aerosol densities near occupants can be 2.5 times that of the well-mixed assumption. * Cold surfaces can pose an increased risk to occupants through re-entrainment. * The seating arrangement with open windows is vital to reduce exposure.

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