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HVAC improvements and other upgrades might help prevent indoor airborne transmission of coronavirus

Potential solutions to control inter-room airflow include installing doors or air curtains, sealing gaps in ceilings, and creating overpressure above drop ceilings.

Several solutions can help prevent the airborne spread of viruses between rooms.
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To read the article, see “Can HVAC systems help prevent the transmission of COVID-19?,” July 9, 2020.