Hirotsu, Nobuo
Saisho, Yutaka
Hasegawa, Takahiro
Kitano, Mitsutaka
Shishido, Takao
Article History
Received: 2 November 2018
Accepted: 16 July 2019
First Online: 15 August 2019
Competing Interests
: N.H. has received honoraria from Shionogi & Co., Ltd. for giving promotional lectures regarding influenza infection and is an advisor to Shionogi & Co., Ltd. regarding anti-influenza drug development. Y.S., T.H., M.K. and T.S. are employees of Shionogi & Co., Ltd.