Adjuvant-free, self−assembling ferritin nanoparticle vaccine coupled with influenza virus hemagglutinin protein carrying M1 and PADRE epitopes elicits cross-protective immune responses - Zhao, Yongqiang; Guo, Shuangshuang; Liu, Jia; Wang, Yating; Wang, Bo; Peng, Chun; Du, Enqi (Frontiers in Immunology, 2025)