Individuals who have been infected by the human immunodeficiency virus (HIV):

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Individuals infected with HIV can be diagnosed by detecting anti-HIV antibodies or HIV RNA in their blood. Symptoms may not appear until several years after infection and without treatment, HIV can lead to the progressive destruction of the immune system. While the virus primarily targets and destroys T lymphocytes, both B-cell and cytotoxic T-cell function may be impaired in individuals with HIV. Rare forms of cancer are associated with HIV, but they are not the only means by which the virus can be diagnosed.

Individuals Who Have Been Infected by the Human Immunodeficiency Virus