[The digital health care and digital twins as its components: the systematic review].

The article presents systematic review of National and foreign publications concerning strategy of digital society development, definitions and concepts of digital twins in health care. The analysis of development of digital twins of patients and application of digital twins of human organs in medicine is presented. The experience of digital twins functioning in health care management system in Russia and abroad is presented.

[The personnel maintenance of primary health care physicians in condition of challenges from menaces to population health].

In condition of challenges from menaces to health due to COVID-19 the role of primary health care physicians increases that requires development of management decisions at the regional level. The purpose of the study. On the basis of analysis of medical demographic indicators and data concerning provision of primary health care personnel in the Russian Federation, proposals were made related to reforming of primary health care system in conditions of implementation of general medical practice with purpose to counteract menaces to population health.

[The medical demographic indicators and health preservation of rural population of the Russian Federation].

For the last 20 years of analysis, mortality rate of rural population was higher than that one of entire population; in 2020, increasing of mortality due to COVID-19 was noted.The indicators were 15.4 per 1000 population for rural population, and 14.

[Public health risk threats associated with coronavirus infection in Moscow and the need to counteract].

Purpose Of The Study: to determine the main threats to the health of the population of Moscow based on the analysis of the medical and demographic situation in Moscow and the Russian Federation in the context of the COVID-19 pandemic, in order to develop management decisions at the regional level.

Material And Methods: Materials of the Federal State Statistics Service (Rosstat), as well as statistical collections of the Russian Research Institute of Health of the Ministry of Health of Russia for 2013-2022 were used.

Results: Coronavirus infection has changed the morbidity and mortality rates of the population of the Russian Federation and its constituent entities.

[The results of analysis of morbidity and mortality of population in conditions of COVID-19 pandemic].

The COVID-19 pandemic has its own objective features associated with density of residence, organization and accessibility of medical care, migration characteristics of population, etc. Therefore, analysis of current situation with coronavirus in the Russian Federation, its Federal Okrugs and subjects is needed. The coronavirus infection resulted in significant changes in indicators of primary morbidity and mortality of population of the Russian Federation.