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  2. CDC classification system for HIV infection - Wikipedia

    en.wikipedia.org/wiki/CDC_Classification_System...

    The CDC Classification System for HIV Infection is the medical classification system used by the United States Centers for Disease Control and Prevention (CDC) to classify HIV disease and infection. [1] The system is used to allow the government to handle epidemic statistics and define who receives US government assistance.

  3. AIDS-defining clinical condition - Wikipedia

    en.wikipedia.org/wiki/AIDS-defining_clinical...

    Kaposi's Sarcoma (KS) is an extremely common disease that arises in AIDS patients and HIV-infected individuals. The condition is characterized by large purple lesions on the skin and mouth. KS presents itself differently for everyone affected by it, and its symptoms and progression varies from person to person as well. [ 5 ]

  4. WHO Disease Staging System for HIV Infection and Disease in ...

    en.wikipedia.org/wiki/WHO_Disease_Staging_System...

    It is an approach for use in resource limited settings and is widely used in Africa and Asia and has been a useful research tool in studies of progression to symptomatic HIV disease. [2] Following infection with HIV, the rate of clinical disease progression varies enormously between individuals. Many factors such as host susceptibility and ...

  5. Diagnosis of HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/Diagnosis_of_HIV/AIDS

    Performance of medical tests is often described in terms of: Sensitivity: The percentage of the results that will be positive when HIV is present; Specificity: The percentage of the results that will be negative when HIV is not present. All diagnostic tests have limitations, and sometimes their use may produce erroneous or questionable results.

  6. HIV - Wikipedia

    en.wikipedia.org/wiki/HIV

    A negative result rules out HIV exposure, while a positive one must be followed by an HIV-1/2 antibody differentiation immunoassay to detect which antibodies are present. This gives rise to four possible scenarios: 1. HIV-1 (+) & HIV-2 (−): HIV-1 antibodies detected; 2. HIV-1 (−) & HIV-2 (+): HIV-2 antibodies detected; 3.

  7. Lentivirus - Wikipedia

    en.wikipedia.org/wiki/Lentivirus

    Lentivirus is a genus of retroviruses that cause chronic and deadly diseases characterized by long incubation periods, in humans and other mammalian species. [2] The genus includes the human immunodeficiency virus (HIV), which causes AIDS.

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