TY - RPRT TI - Introduction of two prolines and removal of the polybasic cleavage site leads to optimal efficacy of a recombinant spike based SARS-CoV-2 vaccine in the mouse model AU - Amanat, F. AU - Strohmeier, S. AU - Rathnasinghe, R. AU - Schotsaert, M. AU - Coughlan, L. AU - Garcia-Sastre, A. AU - Krammer, F. PY - 2020 DO - 10.1101/2020.09.16.300970 UR - https://www.biorxiv.org/content/10.1101/2020.09.16.300970v1 ID - 10.1101/2020.09.16.300970 ER -