MicrobiologybioRxiv
SARS-CoV-2 bearing a mutation at the S1/S2 cleavage site exhibits attenuated virulence and confers protective immunity
M. Sasaki, S. Toba, Y. Itakura…·H. Sawa
This study shows that SARS-CoV-2 variants with mutations at the furin cleavage site are less virulent and induce protective immunity in hamsters.
DOI 10.1128/mbio.01415-21