A nasal vaccine induced superior mucosal and systemic immunity vs #SARSCoV2 variants compared with mRNA (Pfizer) and adenovirus-vector vaccines by serology, histopathology, scRNA -seq in hamsters@NatureMicrobiol https://t.co/N2DVNyUPIA pic.twitter.com/YjsDRUy7aj

— Eric Topol (@EricTopol) April 3, 2023