Predicted dominance of variant Delta of SARS-CoV-2 before Tokyo Olympic Games, Japan, July 2021
Ito, Kimihito and Piantham, Chayada and Nishiura, Hiroshi, Eurosurveillance, 26, 2100570 (2021), https://doi.org/10.2807/1560-7917.ES.2021.26.27.2100570