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  2. Signs and symptoms of HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/Signs_and_symptoms_of_HIV/AIDS

    Figure 1. Early Symptoms of HIV. The stages of HIV infection are acute infection (also known as primary infection), latency, and AIDS. Acute infection lasts for several weeks and may include symptoms such as fever, swollen lymph nodes, inflammation of the throat, rash, muscle pain, malaise, and mouth and esophageal sores. The latency stage ...

  3. HIV - Wikipedia

    en.wikipedia.org/wiki/HIV

    Two types of HIV have been characterized: HIV-1 and HIV-2. HIV-1 is the virus that was initially discovered and termed both lymphadenopathy associated virus (LAV) and human T-lymphotropic virus 3 (HTLV-III). HIV-1 is more virulent and more infective than HIV-2, [20] and is the cause of the majority of HIV infections globally. The lower ...

  4. Pathophysiology of HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/Pathophysiology_of_HIV/AIDS

    This acute viremia is associated in virtually all people with the activation of CD8 + T cells, which kill HIV-infected cells, and subsequently with antibody production, or seroconversion. The CD8 + T cell response is thought to be important in controlling virus levels, which peak and then decline, as the CD4 + T cell counts rebound.

  5. HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/HIV/AIDS

    HIV is a retrovirus that primarily infects components of the human immune system such as CD4 + T cells, macrophages and dendritic cells. It directly and indirectly destroys CD4 + T cells. [88] HIV is a member of the genus Lentivirus, [89] part of the family Retroviridae. [90] Lentiviruses share many morphological and biological characteristics.

  6. Signs and symptoms - Wikipedia

    en.wikipedia.org/wiki/Signs_and_symptoms

    Signs (including enlarged liver and spleen) and symptoms (including headache and vomiting) of acute HIV infection Signs and symptoms are diagnostic indications of an illness , injury, or condition. Signs are objective and externally observable; symptoms are a person's reported subjective experiences.

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

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

    WHO Disease Staging System for HIV Infection and Disease in Adults and Adolescents was first produced in 1990 by the World Health Organization [1] and updated in September 2005. 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 ...

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