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 ...

Researchers found that CD4+ T cells can be classified into 18 categories and 12 distinct gene programs, and that characteristic changes in CD4+ T cell profiles are associated with autoimmune disease, ...

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 ...

Much like ripples on the water can betray powerful currents below the surface, small changes in our bodies can sometimes be an indicator of a serious condition. Now, researchers from Japan say that ...

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 ...

Immunocompromised populations develop a lower immunogenic response to COVID-19 vaccines, leaving them at a higher risk of severe disease, hospitalization, and death. Patients with HIV who have low ...