Medically reviewed by Anju Goel, MD Key Takeaways CD4 counts show how strong your immune system is; lower counts mean a ...

Research in Mozambique has found that the introduction of rapid point-of-care CD4 testing* almost halved the number of patients who dropped out before starting antiretroviral therapy (ART), and nearly ...

Human immunodeficiency virus (HIV) attacks CD4 cells, which are a small part of the white blood cells. In acute HIV, white blood cell count may drop slightly but still look “normal.” A white blood ...

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 ...

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 ...