Quantitative Microbial Risk Assessment for Airborne Transmission of SARS-CoV-2 via Breathing, Speaking, Singing, Coughing, and Sneezing. - Schijven, Jack; Vermeulen, Lucie C.; Swart, Arno; Meijer, Adam; Duizer, Erwin; de Roda Husman, Ana Maria (Environmental Health Perspectives, 2021)