Archives of Medicine vo.7 no.5:10 Individuals infected with human immunodeficiency virus (HIV) often develop multiple complications and comorbidities, among them, opportunistic infections. The highest incidence of opportunistic infections was reported in the group of patients with CD4 lymphocyte levels below 200 cells / mm. Candidiasis, toxoplasmosis and pneumocystis pneumonia (PCP) were the main representatives.