CDC-stage of the HIV infection at primary diagnosis was A1, WHO stage I with a documented CD4-nadir of 590/μL (norm: 490 – 1760/μl), CD4/CD8 ratio of 0.7 (norm 1.0 – 5.8) and an HIV load of 42.400 cps/ml. This evidence concerns the gene CD4 and HIV infectious disease.