Immune status in patients with HIV/AIDS was generally poor with a median absolute CD4 T cell count of 70/μl (range 17–314/μl; norm: 300–2200/μl) and a median CD4/CD8 ratio of 0.12 (range 0.03–0.24, norm: 0.7- 2.8). This evidence concerns the gene CD4 and AIDS.