This table pertains to laboratory tests done to select an ARV regimen and monitor for treatment responses or ART toxicities. Please refer to the HIV Primary Care guidelines for guidance on other ...

CD4 tests are strongly recommended as the preferred method to identify advanced HIV disease among people living with HIV, the World Health Organization (WHO) has strongly recommended in its 2025 ...

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 ...

Alcohol being poured into a glass Excessive alcohol consumption does not impact the decline of CD4 cell count in patients with HIV who have not undergone antiretroviral treatments. Unhealthy alcohol ...

National Institutes of Health researchers shared new details about idiopathic CD4 lymphocytopenia (ICL), a rare immune deficiency that leaves people vulnerable to infectious diseases, autoimmune ...