In contrast to NKG2C+ adaptive NK cells in HCMV infection, BP‐elicited memory‐like NK cells are highly sensitive to innate cytokines, such as IL‐12 and IL‐18, owing to upregulation of IL‐12/IL‐18 receptors and T‐bet.25, 39, 40. Here, KLRC2 is linked to cytomegalovirus infection.