HLA-A and influenza: We analyzed MHC DextramerTM staining of T cells recognizing two different virus-derived epitopes [Epstein–Barr virus (EBV) HLA-A*0201/GLCTLVAML and influenza (FLU) HLA-A*0201/GILGFVFTL] in peripheral blood mononuclear cells (PBMCs) from two healthy donors.