What Is the CD4:CD8 Ratio Test Used For? CD4 and CD8 are two types of white blood cells in your blood. White blood cells help your body fight infections. If you have HIV infection, your doctor may use ...
The CD4 count is a test that measures how many CD4 cells you have in your blood. These are a type of white blood cell, called T cells, that move throughout your body to find and destroy bacteria, ...
CD4 counts and viral load measurements help monitor HIV and how well treatment is working. The goal is to increase CD4 counts and decrease viral load. A low CD4 count indicates a weakened immune ...
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