The ongoing Covid-19 crisis has hit many sectors and industries in the hardest possible way. Travel and tourism-related activities have not been an exception. We contend that a systemic approach can be developed and implemented in order to trace and certify individuals who do not present an epidemiological risk to other people, and also to manage their close interaction. This could lead to the certification of a large proportion of the population-millions worldwide-as not representing a risk of infection to others. It can justify the implementation of a system that can speed up the reactivation of several economic sectors and industries, protecting jobs and accelerating economic recovery in many countries. People who have been ill with Covid-19 have acquired the corresponding antibodies and, therefore, have immunity to the disease, they could travel freely, thereby helping to reactivate the economy. We will explain in this paper how a number of high-tech tools can be implemented as a crowd control system to identify those who do not represent a risk to others, either because they have acquired immunity or because they can be regarded as not carriers of a communicable disease. We devise a method based on the use of a 3D-diagram that shows the existence of an inverse relation between the number of tests performed and the number of individuals that have contracted the disease. The results of the study suggest that the implementation of a new epidemiological tourist strategy in Cuba can help to reactivate tourist activities in the country while avoiding the creation of new hotbeds of infection for Covid-19.

The article briefly highlights main theoretical approaches to understanding the uneven of spatial development. The analysis of existing methods of evaluating the effectiveness of management by smoothing of spatial polarization in the region was made. The methods of evaluating the effectiveness of state and municipal administrating systems were described. The system of indicators for assessing management effectiveness of economic territory polarization in the region was studied.

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Today, there are more than a hundred different types of tourism, and their number is constantly increasing. All types are one way or another integrated, at the same time remaining independent objects of research of tourist science. The present paper deals with one of the basic types -primary wellness tourism and mechanisms for its organization in sanatorium-resort institutions of the Russian Federation. Healthy and ecofriendly lifestyle, an increase in the number of stress factors in everyday life that adversely affect physical and mental health, rethinking of approaches to obtaining health and fitness services by the population are the order of the day, which often makes people choose trips to sanatorium-resort institutions as one of the priority areas for recreation. Similar trends are characteristic of Russia. Thus, the results of the study are particularly relevant for developing the system for providing medical and recreational services in the Russian market.