Updated report of COVID-19 vaccine safety monitoring in Japan: booster doses for Omicron variants and vaccinations for infants and young children - Toshihiro Yamaguchi; Masao Iwagami; Chieko Ishiguro; Souichirou Kitao; Masashi Tetsuhashi; Masato Izumi; Shingo Yoshihara; Hiroshi Kobatake; Yoshifumi Banzai; Natsumi Kinoshita; Toyotaka Iguchi; Akira Oka; et al. (Elsevier, 2023)