AUTHOR=Gattinger Pia , Kozlovskaya Luibov I. , Lunin Alexander S. , Gancharova Olga S. , Sirazova Dina I. , Apolokhov Vasiliy D. , Chekina Egor S. , Gordeychuk Ilya V. , Karaulov Alexander V. , Valenta Rudolf , Ishmukhametov Aydar A. TITLE=Fusion protein-based COVID-19 vaccines exemplified by a chimeric vaccine based on a single fusion protein (W-PreS-O) JOURNAL=Frontiers in Immunology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1452814 DOI=10.3389/fimmu.2025.1452814 ISSN=1664-3224