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 ...

CD4 counts show how strong your immune system is; lower counts mean a weaker immune response. The CD4 percentage shows what part of your white blood cells are CD4 cells and helps check how strong your ...

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 ...

Preliminary findings in this week's issue of THE LANCET suggest that a simple enzyme-based procedure to measure CD4+ lymphocytes-important in assessing individuals' responses to antiretroviral ...

In this week's PLoS Medicine, Luis Montaner from the Wistar Institute, Philadelphia, USA and colleagues retrospectively apply a potential capacity-saving CD4 count model to a cohort of HIV-infected ...

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 ...

Heterosexuals with HIV have lower CD4 counts at diagnosis than their gay and bisexual male peers, according to an analysis of more than 300,000 people living with HIV globally. "It was quite a ...

CD4 tests is strongly recommended as the preferred method to identify advanced HIV disease among people living with HIV, said the World Health Organization (WHO). The new recommendation is part of the ...