Epidemiology of Coronavirus disease 2019 (COVID-19)

An analysis of epidemiology coronavirus disease 2019 (COVID-19) in Russia and the world was carried out to identify the main factors contributing to morbidity and mortality due to COVID-19, pathogenesis and clinical manifestations of the disease. Statistical data were used from official sources (Rospotrebnadzor, WHO, US CDC, China NHC, ECDC, DXY). Research information from different countries about the course, outcomes, spread, and risk factors of the disease is presented. The study of epidemiology, risk factors, causes of increased incidence of COVID-19, mortality rate is of great importance for assessing the effectiveness of preventive measures.