January 2, 2021 Cohn, Karen. 2020. “Beating the Surge with Control of Airborne Exposure.” Slideshow, accessed January 3, 2021. (via Twitter @cohnkaren) https://drive.google.com/file/d/1sao_SOF3p6_QkPQHBZxXUfNgOijYUWdW/view
Aerosols Jarry, Jonathan. “With COVID-19, Air Is Both the Problem and the Solution” Office for Science and Society McGill University,15 Jan 2022
