CD8A and COVID-19: Other studies have also identified an immunodominant epitope N361-369 (KTFPPTEPK) that can induce specific CD8+ T cell responses in 75% of COVID-19 convalescent individuals in multiple global prevalent HLA allele variants including HLA-A11:01, HLA-B44:01, and HLA-A03:01 (20, 21, 35, 41).