AUTHOR=Bong Yong-Sik , Brown David , Chung Ezra , Ananthaswamy Neeti , Chen Renxiang , Lewoczko Evan , Sabbers William , Patterson-Orazem Athéna C. , Dorsey Zachary , Zou Yiqing , Yu Xue , Liang Jiening , He Jiaxi , Long Steven , Shen Dong TITLE=S6P mutation in Delta and Omicron variant spike protein significantly enhances the efficacy of mRNA COVID-19 vaccines JOURNAL=Frontiers in Immunology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2024.1495561 DOI=10.3389/fimmu.2024.1495561 ISSN=1664-3224