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HEPPigram: Natural Course of HIV Infection Plus Antiretroviral Therapy

October 2001

Natrual Course of HIV Infection Plus Antiretroviral Therapy

Modified from Bartlett J.G., Gallant J.E. 2001-2002 Medical Management of HIV Infection. Online at

Flipped Ratio: The CD4:CD8 ratio is usually approximately 2:1 but in HIV-infected people, the ratio flips and is approximately 1:2.

HAART: Highly Active Antiretroviral Therapy.

Set Point: The point around which viral load levels off without anti-HIV treatment. This point is different for different individuals (i.e., rapid progressors generally have higher set points). The idea of treatment is to lower the set point, lowering the viral load in the patient's body.

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