Immune microthrombovasculitis (IMTV) is an immunocoplex vasopathy, the etiology of which is still unknown. The aim of the study was to study the factors of development and features of the clinical course of IMTV in persons of Uzbek nationality living in the Republic of Uzbekistan. A high incidence of chronic foci of infection and previous acute respiratory infections and acute respiratory viral infections were revealed as a predisposing factor in the development of IMTI. There was a high incidence of IMTT among females and the admission of patients with moderate severity of the disease.