AUTHOR=Zhao Yongqiang , Guo Shuangshuang , Liu Jia , Wang Yating , Wang Bo , Peng Chun , Du Enqi TITLE=Adjuvant-free, self−assembling ferritin nanoparticle vaccine coupled with influenza virus hemagglutinin protein carrying M1 and PADRE epitopes elicits cross-protective immune responses JOURNAL=Frontiers in Immunology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1519866 DOI=10.3389/fimmu.2025.1519866 ISSN=1664-3224