AUTHOR=Fujitani Masaya , Lu Xiuyuan , Shinnakasu Ryo , Inoue Takeshi , Kidani Yujiro , Seki Naomi M. , Ishida Satoru , Mitsuki Shungo , Ishihara Takeshi , Aoki Miwa , Suzuki Akio , Takahashi Koji , Takayama Masahiro , Ota Takeshi , Iwata Satoshi , Shibata Risa Yokokawa , Sonoyama Takuhiro , Ariyasu Mari , Kitano Ayumi , Terooatea Tommy , Kelly Villa Jordan , Yamashita Kazuo , Yamasaki Sho , Kurosaki Tomohiro , Omoto Shinya TITLE=Longitudinal analysis of immune responses to SARS-CoV-2 recombinant vaccine S-268019-b in phase 1/2 prime-boost study JOURNAL=Frontiers in Immunology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1550279 DOI=10.3389/fimmu.2025.1550279 ISSN=1664-3224