What To Know About Your Cd4 Count And Viral Load
What Is a CD4 Count? The CD4 test is one of the more familiar testing assays known to people with HIV. The test measures the level of CD4 helper T-cells in the blood—cells that are not only vital to immune function but are the primary target of HIV infection. As HIV gradually depletes these cells, the body becomes less able to defend itself against a widening range of opportunistic infections....