KIR2DL3 and infection: In individuals who had spontaneously resolved infection and were not KIR2DL3:HLA-C1 homozygous, the frequency of the rs12979860-CC genotype was significantly higher compared with chronically infected individuals (68.3% [SR] vs 41.9% [chronic], P = .0003; OR, 2.98, 95% CI: 1.64–5.43, Table 2).