AUTHOR=Sun Ruimin , Xia Lijuan , She Guangbiao , Li Jinrong , Wang Yiru , Chen Yunxiang , Yang Qian , Zhang Siming , Liu Fang , Chen Ying , Zhang Liyan , Zhang Chengda , Lv Wanqiang , Huang Enqi , Zhang Lijiang TITLE=Repeated-dose toxicity and immunogenicity evaluation of a recombinant subunit COVID-19 vaccine (ZF2001) in rats JOURNAL=Frontiers in Cellular and Infection Microbiology VOLUME=Volume 15 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/cellular-and-infection-microbiology/articles/10.3389/fcimb.2025.1548787 DOI=10.3389/fcimb.2025.1548787 ISSN=2235-2988