Updated project metadata. In this project, we used MS-based immunopeptidomics and T-cell screening assays to identify SARS-CoV-2 epitopes. The MS identified epitopes were further valdiated for CD8 T cell immunogenecity. PBMC from a large number of patients infected with SARS-CoV-2 were used for valdiation of MS identifed and predected CD 8 T cell epotipes.