A study conducted in Burkina Faso reported that the KIR2DL2, KIR2DS2, KIR2DS3, KIR2DS4, and KIR3DS1 genes were associated with HIV-1 infection, while the KIR3DL1 gene was associated with protection against HIV-1 infection [306]. Here, KIR3DL1 is linked to HIV-1 infection.