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

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 diseases like HIV and becomes immunocompromised. HIV ...

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 ...

A cross-sectional study of 41 newly diagnosed children found that lower peripheral CD4+ T-cell counts were associated with ...

A panelist discusses how CD4 counts serve as measures of immune system status that typically increase by about 200 in the first year of antiretroviral therapy. Although there can be laboratory ...

HIV positive patients who take combination antiretroviral therapy (cART) to combat HIV infection could see the numbers of CD4 cells in their immune system rise to concentrations found in HIV negative ...