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Introduction. Currently, COVID-19, which is rapidly spreading around the world in the form of a pandemic, is a serious public health problem that poses a significant epidemiological and medico-social threat to the population and its quality of life, and affects all spheres of public life and economy. Aim. To assess the degree of influence of the pandemic of the new respiratory viral infection COVID-19 on the level of registered primary morbidity by classes of diseases, including the class "Diseases of the respiratory system" in the territory of the Far Eastern Federal District.Materials and methods. To implement the tasks of the study, a complex of analytical, epidemiological and statistical studies was carried out. Methods used: epidemiological analysis and monitoring, statistical, comparative and correlation analysis and methods for analyzing time series. Epidemiological and statistical assessment of the incidence of the population was carried out on the basis of ICD-10 according to the data of the state statistical monitoring of the incidence of the population of the Russian Federation for 2019-2020 using the database of the Ministry of Health of the Russian Federation, the Central Research Institute of Organization and Informatization of Healthcare of the Ministry of Health of the Russian Federation.Results. The pandemic of the new respiratory viral infection COVID-19 significantly changed the dynamics of the registered morbidity in the adult population, which dropped sharply in all ICD-10 classes, most intensively in the classes "Diseases of the endocrine system" (by 27.8%), "Diseases of the blood and hematopoietic organs" (by 22.6%), "Neoplasms" (by 21.1%), "Diseases of the circulatory system" (by 18.5%), with the exception of the class "Diseases of the respiratory system", the level of primary morbidity for which in the territory of the Far Eastern Federal District in 2020 increased by 23.9%. The most common and severe clinical manifestation of COVID-19 is bilateral pneumonia, the incidence of which among the adult population in the Far Eastern Federal District increased 2.7 times, and in the territory of the Russian Federation – 3.8 times. At the same time, the incidence of pneumonia in the child population decreased by 36.4%. Along with the growth of acute forms of respiratory pathology during the COVID-19 pandemic in the Far Eastern Federal District, the level of registered primary morbidity of chronic respiratory diseases decreased: chronic bronchitis (by 22.3%), bronchialasthma (by 20.8%), COPD (by 3, 6%).Conclusion. The negative dynamics of the growth of the registered morbidity of the population can have negative consequences due to the late detection and untimely diagnosis of chronic forms of pathology, including respiratory diseases, their progression and the development of life-threatening complications of the disease and, as a consequence, an increase in mortality from these causes of the population, who did not receive timely and adequate medical assistance.

Introduction. Hypoalimentation with the formation of protein-energy malnutrition can reduce the body’s resistance to acute respiratory infections (ARI). Soy and pumpkin can be a promising source of normalization of the diet.Aim. To study the effectiveness of the use of soybean-pumpkin products in the diet of healthy people to increase the resistance of the human body to ARI.Materials and methods. An open, randomized, parallel group study was conducted. Group 1 included 18 people who took a soy-pumpkin drink and dessert for 10 weeks in addition to their usual diet. Group 2 included 17 people on a regular diet. The concentration of vitamin E, cholesterol, α- and β-lipoproteins was determined in blood serum. Diene conjugates and unoxidized lipids were determined in the expired air condensate (EAC) by means of spectrophotometry. Lung function was assessed using spirometry.Results. According to the questionnaire survey, 50% of the participants in group 1 registered a positive dynamics from the regular use of soybean-pumpkin products. Only one participant underwent ARI. In the 2nd group, 7 people (41%) applied for medical help (χ2=4.43; p˂0.05), of which 6 (35%) had ARIs. At the end of the observation, an increase in vitamin E (from 34.1±0.68 to 36.4±0.55 μg/mL, p=0.0036), a decrease in total cholesterol (from 4.85±0.23 to 4.32±0.14 mmol/L, p=0.0013) and β-lipoproteins (from 2.92±0.24 to 2.31±0.18 mmol/L, p=0.0003). At the beginning of the study, in individuals of group 1, there was a relationship between age and the concentration of total cholesterol (r=0.50; p=0.036) and β-lipoproteins (r=0.47; p=0.048), as well as the weight and level of α-lipoproteins (r=-0.49; p=0.041), the concentration of unoxidized lipids (r=0.55; p=0.02), diene conjugates (r=0.48; p=0.043) in EAC. After regular use of soybean-pumpkin products, this correlation dependence was lost.Conclusion. Regular use of soy-pumpkin products for 10 weeks has a beneficial effect on the lipid profile of the blood, increases antioxidant defence, and reduces the susceptibility of a healthy person to ARI.

Since the beginning of the 50s of the last century, numerous classifications of sarcoidosis have been proposed, which to one degree or another satisfied specialists at certain stages of the development of medical technologies. Currently, sarcoidosis of the respiratory system is divided into five stages (from 0 to IV) based on the results of chest Xray examination. Active introduction into clinical practice of computed tomography and its more advanced version – lowdose multislice computed tomography (MSCT) – allows to carry out an effective diagnosis of sarcoidosis, including in outpatient practice, as well as when performing active screening and dynamic monitoring of the course of the disease. On the basis of the studies which were carried out, the dissonance between the progress in technology (from X-ray pattern to MSCT) and the stagnation of the conceptual issues of the classification of sarcoidosis is discussed, which urgently requires its reforming. Firstly, the category of patients with concomitant lesions of the intrathoracic lymph nodes (ITLN) and parenchyma (stage II) has sharply increased, which reflects the increased technological level of radiological diagnostics. As a result, the percentage of stages with isolated lymph node involvement (stage I) and isolated dissemination of the parenchyma (stage III) decreased. The classification based on MSCT data allows to more accurately determine the severity of the disease. This is of therapeutic and prognostic importance, since most patients of stage I generally do not need treatment, while symptomatic stage II requires hormone therapy. One should also take into account the possibility of spontaneous remission, which is observed more often in stage I. The main conclusion is that at present day the principle of staging in the classification of sarcoidosis can no longer satisfy the realities of modern clinics. It is more correct to single out the clinical and radiological forms of sarcoidosis: sarcoidosis of the ITLN, sarcoidosis of the ITLN and lungs, sarcoidosis of the lungs, as well as sarcoidosis of the respiratory system, combined with a single lesion of other organs.