AUTHOR=Xu Rong , Hong Huynh A. , Khandaker Shadia , Baltazar Murielle , Allehyani Noor , Beentjes Daan , Prince Tessa , Ho Yen-Linh , Nguyen Linh Hanh , Hynes Daniel , Love William , Cutting Simon M. , Kadioglu Aras TITLE=Nasal delivery of killed Bacillus subtilis spores protects against influenza, RSV and SARS-CoV-2 JOURNAL=Frontiers in Immunology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1501907 DOI=10.3389/fimmu.2025.1501907 ISSN=1664-3224