The article analyzes the indicators of prevalence, morbidity, lethality and mortality in the new coronavirus disease - COVID-19, based on this specialized literature and official information from the state mass media. The importance of correct application of the principles of medical statistics for the analysis of these indicators in decision-making on the introduction of restrictive measures, monitoring the epidemic process, evaluating the effectiveness of these measures and the activities of medical organizations is shown. Individual pandemic forecast models are considered.