Immune response and protective efficacy of the SARS-CoV-2 recombinant spike protein vaccine S-268019-b in mice. - Homma, Tomoyuki; Nagata, Noriyo; Hashimoto, Masayuki; Iwata-Yoshikawa, Naoko; Seki, Naomi M.; Shiwa-Sudo, Nozomi; Ainai, Akira; Dohi, Keiji; Nikaido, Eiji; Mukai, Akiko; Ukai, Yuuta; Nakagawa, Takayuki; et al. (Scientific Reports, 2022)