CCR2 and HIV infectious disease: Most of the available data showed no effect of CCR2-64I mutation on susceptibility to HIV infection (Mahajan et al. 2010; O’Brien and Moore 2000; Tan et al. 2010), indicating rather its involvement in the slowing of AIDS progression (Kaslow et al. 2005; O’Brien and Moore 2000; Vieira et al. 2011; Xu et al. 2010).