The study extract states "This conclusion suggests that vaccination-generated antibody and/or exogenous antibody against S protein not only protects the host from SARS-CoV-2 infectivity but also inhibits S protein-imposed endothelial injury." (See The novel coronavirus’ spike protein plays additional key role in illness - Salk Institute for Biological Studies and SARS-CoV-2 Spike Protein Impairs Endothelial Function via Downregulation of ACE 2 | Circulation Research (ahajournals.org) )
Of course, abortion-tainted vaccines like Moderna, Pfizer, Astra Zeneca etc are anyway not morally acceptable.