Median duration since HIV diagnosis was 3.8 months (IQR: 1.5–7.1), median HIV-1 RNA level was 4.6 log10 copies/mL (IQR: 4.1–5.2), median CD4+ T-cell count was 300/mm3 (IQR: 173–463) and 34 patients (9.6%) were at CDC stage C of infection. This evidence concerns the gene CD4 and infection.