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 ...

A 45-year-old active substance user began getting medical care in your clinic in 1997. He had started taking antiretrovirals (nelfinavir + Combivir) at another facility. Initial labs showed an ...

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 ...