Riediker, M., Briceno-Ayala, L., Ichihara, G., Albani, D., Poffet, D., Tsai, D.-H., Iff, S. and Monn, C. (2022) “Higher viral load and infectivity increase risk of aerosol transmission for Delta and Omicron variants of SARS-CoV-2”, Swiss Medical Weekly, 152(0102), p. w30133. doi: 10.4414/SMW.2022.w30133.