COVID-19 Innovation July 10, 2020Potential solutions to control inter-room airflow include installing doors or air curtains, sealing gaps in ceilings, and creating overpressure above drop ceilings. We strive to provide individuals with disabilities equal access to our website. If you would like information about this content we will be happy to work with you. Please email us at: McKinsey_Website_Accessibility@mckinsey.com To read the article, see “Can HVAC systems help prevent the transmission of COVID-19?,” July 9, 2020.