CCR7 and infection: Considering HCMV-specific responses, only a part of HLA-A2pp65 and almost all anti-HCMV HLA-EUL40 CD8 T cells stained with HLA-EUL40 tetramers that persist in HCMV+ individuals post-infection display a CD45RA+ CCR7− phenotype and thus belong to TEMRA cells (Figure 2A).