AUTHOR=Sun Yi-Sheng , Xu Fang , Zhu Han-Ping , Xia Yong , Li Qiao-Min , Luo Yuan-Yuan , Lu Hang-Jing , Wu Bei-Bei , Wang Zhen , Yao Ping-Ping , Zhou Zhan TITLE=Development of a two-component recombinant vaccine for COVID-19 JOURNAL=Frontiers in Immunology VOLUME=15 YEAR=2024 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2024.1514226 DOI=10.3389/fimmu.2024.1514226 ISSN=1664-3224