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, ...

At presentation, all children living with HIV younger than five years should be considered as having advanced HIV disease ...

Medically reviewed by Steffini Stalos, DO Key Takeaways CD4 T helper cells help the body fight infections by signaling other cells to attack germs. Without enough CD4 T cells, the body can't fight ...

CD4+ T cells, or helper T cells, are one type of lymphocyte that helps coordinate the immune response against infection and disease. They interact and activate other cells in the immune system. The ...

The WHO has strongly recommended CD4 testing to identify advanced HIV disease under its 2025 guidelines. Here’s why the test ...

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 ...

Idiopathic CD4 lymphocytopenia (ICL) is a clinical syndrome that is defined by CD4 lymphopenia of less than 300 cells per cubic millimeter in the absence of any primary or acquired cause of ...

The World Health Organization (WHO) has strongly recommended CD4 testing as the preferred method for identifying advanced HIV ...

Despite declines in morbidity and mortality with the use of combination antiretroviral therapy, its effectiveness is limited by adverse events, problems with adherence, and resistance of the human ...

CD4 tests are strongly recommended as the preferred method to identify advanced HIV disease among people living with HIV, the ...