There is crucial question on further therapeutic tactics for the management of such patients (within the severe epidemiological situation caused by the pandemic of new coronavirus SARS-CoV-2) due to widespread application of genetically engineered biologic drugs (GEBD)in management of immune mediated inflammatory diseases. This review sums up current data on the pathogenesis of COVID-19 with the development of acute respiratory distress syndrome associated with cytokine release syndrome (cytokine storm). The effects of GEBD on COVID-19 pathogenesis and their role in management of COVID-19 severe forms of are considered. This review presents the latest guidelines of international associations/consensus and observations of doctors of various specialties on the issue of interruption/continuation of GEBD therapy and with further consequence evaluation in case of interruption of biological therapy. © 2020 Publishing House of the Union of Pediatricians. All rights reserved.