HLA-A and cytomegalovirus infection: The high-affinity TCR-like C1-17 Ab, engineered to have a KD ≈ 5.2 nM in this study, can be developed as a research agent to detect CMVpp65495-503/HLA-A*02:01 presentation on the surface of and inside cells during CMV infection and as a therapeutic agent to eliminate CMV-infected cells.