Improving the approaches to treating COVID-19 infection opens up the possibility for using previously known groups of drugs that demonstrate their effectiveness in the pathogenetic treatment of this disease. Significant clinical experience in the field of treatment of COVID-19 have been accumulated in Clinical Infectious Diseases Hospital named after S.P. Botkin, Saint-Petersburg, Russia. The case study demonstrates the timeliness and effectiveness of anticytokine therapy with COVID-19, the possibility of using a recombinant humanized monoclonal antibody to the human receptor for interleukin-6 (IL-6) (tocilizumab). © 2020 Interregional public organization Association of infectious disease specialists of Saint-Petersburg and Leningrad region (IPO AIDSSPbR). All rights reserved.