[S25] Frontiers in studies on anti-viral infectious diseases

[S25-02] Discovery history of novel oral drug S-217622 (ensitrelvir) for COVID-19

○Teruhisa Kato¹, Haruaki Nobori¹, Sho Kawashima¹, Yuki Maruyama¹, Shinsuke Toba^1,2, Takao Sanaki¹, Yuto Unoh¹, Kenji Nakahara¹, Yoshiyuki Taoda¹, Shota Uehara¹, Shiho Yamamoto¹, Tohru Mizutare¹, Koji Kasamatsu¹, Kensuke Kouki¹, Atsufumi Nakahashi¹, Takahiro Suto¹, Michihito Sasaki², Yasuko Orba², Hirofumi Sawa^2,3, Akihiko Sato^1,2,3, Yuki Tachibana¹ (1. Shionogi & Co., Ltd., 2. Int. Inst. Zoonosis Cont., Hokkaido Univ., 3. Inst. Vac. Res. Dev., Hokkaido Univ.)