Effectiveness of influenza vaccination for children in Japan: Four-year observational study using a large-scale claims database

Vaccine
Volume 36, Issue 20  Pages 2743-2916 (11 May 2018)
https://www.sciencedirect.com/journal/vaccine/vol/36/issue/20

Effectiveness of influenza vaccination for children in Japan: Four-year observational study using a large-scale claims database
Open access – Original research article
Pages 2809-2815
Natsumi Shibata, Shinya Kimura, Takahiro Hoshino, Masato Takeuchi, Hisashi Urushihara