The decrease in CD4 cells during HIV infection seems to be driven by immune activation, which does not always correlate with viral load. Experienced clinicians are all too familiar with the ...

As HIV progressively depletes these cells, the body becomes less able to defend itself against otherwise harmless infections. The CD4 count is a blood test used to measure CD4 T cells and the ...

Measuring CD4 T-cells is important in helping healthcare providers determine the stage and likely outcome of HIV infection. While they are no longer used to determine when HIV therapy should be ...