The cohort of slow progressors (SP; n = 14) included HIV-infected subjects with a median time since infection of 16 years, median CD4 counts of 670 cells/μl, median CD4 counts of 831 cells/μl, and undetectable or low plasma viral loads (median: 964 HIV RNA copies/ml) in the absence of antiretroviral therapy (ART) (Table 1). This evidence concerns the gene CD4 and infection.