CD4 and immune system disorder: The majority (61.5%) of HIV-HL patients with recorded CD4 count showed a CD4 count > 200 cells/mm3 when diagnosed with HL; the average CD4 count was 242 cells/mm3.It has been demonstrated by various studies that HL is more prevalent in patients with moderate levels of immunodeficiency than those with severe immunodeficiency (< 50 cells/mm3) [7, 16].