CD8A and COVID-19: We confirmed the presence of CD8+ T cells that recognize SARS-CoV-2-derived peptides (P01, P02, P07, P08, and P12) in HLA-A*24:02-positive individuals recovered from COVID-19, indicating that CD8+ T cells were activated in vivo by coronavirus-derived peptides (possibly same as peptides identified in this study) presented on MHC class I molecules on antigen presenting cells including DCs in their body.