[O1-1] SARS2-2

[O1-1-9] The impact of spike P681R and D950N mutations in SARS-CoV-2 Delta variant on viral characteristics

*Yuri Furusawa^1,2, Maki Kiso¹, Masaki Imai^1,2, Seiya Yamayoshi^1,2, Yoshihiro Kawaoka^1,2,3 (1. Division of Virology, Institute of Medical Science, University of Tokyo, 2. The Research Center for Global Viral Diseases, National Center for Global Health and Medicine Research Institute, 3. School of Veterinary Medicine, University of Wisconsin-Madison)