2:30 PM - 2:45 PM
*Shinji Watanabe1, Noriko Kishida1, Seiichiro Fujisaki1, Kazuya Nakamura1, Masayuki Shirakura1, Emi Takashita1, Aya Sato1, Miki Akimoto1, Hideka Miura1, Hiroko Morita1, Shiho Nagata1, Hiromi Sugawara1, Hideki Hasegawa1, The influenza surveillance group of Japan2 (1. National Institute of Infectious Diseases, 2. Public Health Institutes and Public Health Centers of Local Government and Clinics in Japan)