SARS-CoV-2(16) COVID-19(16) SARS-COV-2 infection(12) sequence(12) investigated(12) variant(12) ORF1ab(12) membrane(11) peptide epitope(11) SARS-CoV(11) CD8(11) other coronaviruses(11) induce(11) Infection(9) Host(9) susceptibility(9) HLA(9) significantly(9) Immunogenetics(9) association(9) MHC class(8) cellular immunity(8) Linkage disequilibrium(8) individuals(8) T cell receptor(8) Cytotoxic T cell(8) peptide(8) Factor(8) Genetic(8) Sequencing(8)