A live attenuated influenza virus-vectored intranasal COVID-19 vaccine provides rapid, prolonged, and broad protection against SARS-CoV-2 infection
J. Chen, P. Wang, L. Yuan…·N. Xia
This study develops an intranasal vaccine against SARS-CoV-2 using an influenza virus vector and shows it provides rapid, prolonged, and broad protection against multiple variants in hamsters.