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Finally, with further decreases in the levels of CD4 cells, the person develops AIDS. According to the CDC, for an HIV-infected person, some signs that AIDS has developed (known as AIDS-defining conditions) are: The CD4 cell count has decreased to fewer than 200 cells per cubic milliliter of blood.
Thus you have CD3+CD4+ cells (CD4 or helper T cells) and CD3+CD8+ cells (CD8, or suppressor/cytotoxic T cells). The increased CD3 cells are reflected by the increase in CD8 cells, which is a natural reaction to HIV infection.