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Efficacy of Portable Air Cleaners and Masking for Reducing Indoor Exposure to Simulated Exhaled SARS-CoV-2 Aerosols — United States, 2021

Summary What is already known about this topic? Ventilation systems can be supplemented with portable high efficiency particulate air (HEPA) cleaners to reduce the number of airborne infectious particles. What is added by this report? A simulated infected meeting participant who was exhaling aerosols was placed in a room with […]

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