Predicted dominance of variant Delta of SARS-CoV-2 before Tokyo Olympic Games, Japan, July 2021

• Published in: Euro surveillance : bulletin européen sur les maladies transmissibles Vol. 26; no. 27; p. 1
• Main Authors: Ito, Kimihito, Piantham, Chayada, Nishiura, Hiroshi
• Format: Journal Article
• Language: English
• Published: Saint-Maurice Centre Europeen pour la Surveillance Epidemiologique du SIDA (European Centre for the Epidemiological Monitoring of AIDS) 08.07.2021; European Centre for Disease Prevention and Control (ECDC)
• Subjects: Antibodies; COVID-19; Olympic games; Rapid Communication; Severe acute respiratory syndrome coronavirus 2; Tokyo Japan; Japan

Using numbers of SARS-CoV-2 variants detected in Japan as at 13 June 2021, relative instantaneous reproduction numbers (R RI ) of the R.1, Alpha, and Delta variants with respect to other strains circulating in Japan were estimated at 1.25, 1.44, and 1.95. Depending on the assumed serial interval dis...