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  2. Diagnosis of HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/Diagnosis_of_HIV/AIDS

    Declining CD4 T-cell counts are considered to be a marker of progression of HIV infection. A normal CD4 count can range from 500 cells/mm3 to 1000 cells/mm3. In HIV-positive people, AIDS is officially diagnosed when the count drops below 200 cells/μL or when certain opportunistic infections occur. This use of a CD4 count as an AIDS criterion ...

  3. Pathophysiology of HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/Pathophysiology_of_HIV/AIDS

    The activation and proliferation of T cells that results from immune activation provides fresh targets for HIV infection. However, direct killing by HIV alone cannot account for the observed depletion of CD4 + T cells since only 0.01–0.10% of CD4 + T cells in the blood are infected. [citation needed]

  4. Urinary cast - Wikipedia

    en.wikipedia.org/wiki/Urinary_cast

    The most common type of cast, hyaline casts are solidified Tamm–Horsfall mucoprotein secreted from the tubular epithelial cells of individual nephrons. Low urine flow, concentrated urine, or an acidic environment can contribute to the formation of hyaline casts, and as such, they may be seen in normal individuals in dehydration or vigorous exercise.

  5. Urine test: why are white blood cells in my urine? - AOL

    www.aol.com/news/urine-test-why-white-blood...

    Just received your urine test results? This is why white blood cells are present, these are the possible causes...

  6. HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/HIV/AIDS

    The second-most frequent mode of HIV transmission is via blood and blood products. [18] Blood-borne transmission can be through needle-sharing during intravenous drug use, needle-stick injury, transfusion of contaminated blood or blood product, or medical injections with unsterilized equipment.

  7. Urinalysis - Wikipedia

    en.wikipedia.org/wiki/Urinalysis

    Typically, most white blood cells (WBCs) in urine are neutrophils. They are round, larger than RBCs, possess a cell nucleus, and have a granular appearance. A few white blood cells can normally be found in the urine of healthy individuals; females tend to have slightly more than males.

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