KLRC2 and infection: Notably, a similar expansion of NKG2C+ NK cells in HCMV-seropositive individuals has also been observed during infections with other pathogens, such as the Hantavirus (Bjorkstrom et al., 2011), HIV (Guma et al., 2006b), EBV (Saghafian-Hedengren et al., 2013) and malaria (Hart et al., 2019).