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MIT study provides suggestions for keeping classroom air fresh

MIT team looks at classroom configurations and offers modifications to enhance safety during Covid-19 pandemic.

Open windows and a good heating, ventilation, and air conditioning (HVAC) system are starting points for keeping classrooms safe during the Covid-19 pandemic. But they are not the last word, according to a new study from researchers at MIT. The study shows how specific classroom configurations may affect air quality and necessitate additional measures, beyond HVAC use or open windows, to reduce the spread of aerosols — those tiny, potentially Covid-carrying particles that can stay suspended in the air for hours.