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  2. HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/HIV/AIDS

    AIDS was first recognized by the U.S. Centers for Disease Control and Prevention (CDC) in 1981 and its cause—HIV infection—was identified in the early part of the decade. [21] Between the first time AIDS was readily identified through 2024, the disease is estimated to have caused at least 42.3 million deaths worldwide. [ 5 ]

  3. Pathophysiology of HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/Pathophysiology_of_HIV/AIDS

    Another cause is the breakdown of the immune surveillance system of the mucosal barrier caused by the depletion of mucosal CD4 + T cells during the acute phase of disease. [ 7 ] This results in the systemic exposure of the immune system to microbial components of the gut’s normal flora, which in a healthy person is kept in check by the ...

  4. HIV - Wikipedia

    en.wikipedia.org/wiki/HIV

    Over time, they cause acquired immunodeficiency syndrome (AIDS), [1] [2] a condition in which progressive failure of the immune system allows life-threatening opportunistic infections and cancers to thrive. [3] Without treatment, the average survival time after infection with HIV is estimated to be 9 to 11 years, depending on the HIV subtype. [4]

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

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

    Following infection with HIV, the rate of clinical disease progression varies enormously between individuals. Many factors such as host susceptibility and immune function, [2] [3] [4] health care and co-infections, [5] [6] [7] as well as factors relating to the viral strain [8] [9] may affect the rate of clinical disease progression.

  6. List of causes of death by rate - Wikipedia

    en.wikipedia.org/wiki/List_of_causes_of_death_by...

    Person-years of potential life lost in the United States in 2006 [8] Cause of premature death Person-years lost Cancer: 8.6 million Heart disease and strokes: 8.8 million Accidents and other injuries: 5.9 million All other causes: 13.6 million

  7. History of HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/History_of_HIV/AIDS

    In most non-human primate species, natural SIV infection does not cause a fatal disease (but see below). Comparison of the gene sequence of SIV with HIV should, therefore, provide information about the factors necessary to cause disease in humans. The factors that determine the virulence of HIV as compared to most SIVs are only now being ...

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