HIV infection, secondary conditions and comorbidities. Part 1: Epidemiology and the basis of the problem

An analysis of the human immunodeficiency virus (HIV) epidemic’s trajectory with priority-setting taking into account HIV-associated comorbidities for each time period was performed. A classification of comorbid diseases and conditions in HIV infection by cause and setting of their occurrence is presented. Opportunistic infections and secondary diseases that remain some of the leading causes of severe complications and mortality are characterized. The difficulty of the development of immune reconstitution inflammatory syndrome against the background of late diagnosis of HIV infection and initiation of antiretroviral therapy is highlighted.