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  2. 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 ...

  3. CDC classification system for HIV infection - Wikipedia

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

    Wasting syndrome in the absence of a concurrent illness other than HIV infection that could explain the following findings: a) persistent weight loss more than 10% of baseline OR b) downward crossing of at least two of the following percentile lines on the weight-for-age chart (e.g., 95th, 75th, 50th, 25th, 5th) in a child at least 1 year of ...

  4. 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 ...

  5. Long-term nonprogressor - Wikipedia

    en.wikipedia.org/wiki/Long-term_nonprogressor

    [7] [8] Some LTNP are infected with a weakened or inactive form of HIV, but it is now known that many LTNP patients carry a fully virulent form of the virus. Genetic traits that may affect progression include: Gene mutation: A mutation in the FUT2 gene affects the progression of HIV-1 infection.

  6. HIV superinfection - Wikipedia

    en.wikipedia.org/wiki/HIV_superinfection

    HIV superinfection involves an individual with HIV being infected by a new, phylogenetically distinct HIV strain. [3] Early reports of HIV superinfection were observed in cases of co-infection with HIV-1 and HIV-2. [3] Studies have shown that a lack of neutralizing antibodies against HIV-1 infection predisposes patients to superinfection. [3]

  7. AIDS-defining clinical condition - Wikipedia

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

    AIDS-defining clinical conditions (also known as AIDS-defining illnesses or AIDS-defining diseases) is the list of diseases published by the Centers for Disease Control and Prevention (CDC) that are associated with AIDS and used worldwide as a guideline for AIDS diagnosis.

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