Retrospective analysis of sickness rate of infectious diseases demanding realization of measures for sanitary protection of the Russian Federation territory and actual high contagious nosologies that epidemic manifestations can form an epidemiological emergency situation is carried out on the basis of the data of World Health Organization and Federal Service for Surveillance on Consumers' Rights Protection and Human Wellbeing with use of a technique for organization of sanitary anti-epidemic support of mass actions with the international participation (МR 3.1.0079/2-13). It is established that human flu caused by a new virus subtype, cholera, Lassa fever, illnesses caused by Ebola and Marburg viruses and also measles, rubella and acute enteric virus infections forming the external epidemiological risk during the XXIX Winter Universiade 2019 in Krasnoyarsk city represent the greatest threat. High risk of the disease importations demanding realization of actions for sanitary protection of Russian territory is connected with the countries of Eastern, Southern and South Eastern Asia, Africa (except for the Continent south) and also North America.

The article presents the algorithm for calculating the integral index of problems in the evaluation of indicators of population health and identifying risk areas. The integral indices for Novokuznetsk municipal district were calculated. The index can be used by specialists of various levels and regions in assessing the level of health, environmental and socio-economic indicators for appropriate decision-making.

The article describes the features of laboratory research during the preparation and holding of mass events and justified the need to develop a hygienic model of laboratory support of these events.

The article presents the results of the study and evaluation of organization of educational process in the preschool educational institutions (PSEl) in Irkutsk. There were investigated the changes of capacity for work of 155 children in preparatory groups of PSEl in the dynamics of the day and week. Established irregularities in the educational process (increasing of the duration of classes, scheduling without considering the changes of capacity for work) lead to a more rapid and pronounced development of children fatigue. Recurring investigations of the children mental capacity for work which were organized after correction of educational mode demonstrated the effectiveness of the proposed activities.

The aim of the research was to study the dynamics of the somatometric parameters of city school children aged 8-16 over the period from 1925 to 2010-2012. Over 2010-2012 we performed the anthropological examination (body length and body mass, chest circumference) of the city school children of Gomel aged 8-16 (1 329 boys and 1 490 girls). The data obtained by other researchers in 1925 and 1973 were used for the assessment of the dynamics over time. It has been found that city school children at the beginning of the 21st century were characterized by higher rates of development of the somatometric parameters in comparison with their peers of 1925 and 1973. Sex dimorphism during the process of acceleration was revealed in the increased body length and body mass in boys and asthenization (increased body length and decreased body mass) in girls. The parameters of chest circumference in the examined boys and girls at the beginning of the 21st century were considerably higher in comparison with their peers of 1925. The total growth rate of body length within the studied age range in the examined boys and girls was higher in comparison with the data as of 1925 and 1973, and the total growth rate of the parameters of body mass and chest circumference was higher in the examined boys and girls compared to their peers examined in 1925 and 2010-2012. The school children of the city of Gomel at the beginning of the 21st century revealed acceleration of development of somatometric parameters in comparison with their peers of 1925 and 1973.

A survey of 158 children aged 4-7 years living in a chronic aerogenic low-level exposition to acrolein and formaldehyde was carried out. 82.3 % of children with high blood levels of acrolein and formaldehyde are diagnosed with respiratory diseases. Every second child has a chronic inflammatory disease of the nasal mucosa, including 29.1 % of allergic rhinitis, which are manifested by complaints of nasal breathing, not related to seasonality, nasal eosinophilia and the presence of nasal obstruction. In 6.3 % of children living in a chronic low-level exposition to acrolein and formaldehyde, the presence of bronchial asthma, manifested by signs of peripheral obstruction, was revealed.

The assessment of the state of the vascular bed of female students of non-sports faculties of a pedagogical university was carried out during two academic years within the framework of the general program and one year after the introduction of physical training sports specialization («sporting»). The parameters of the biological age of the vessels, the degree of rigidity of the arteries, the level of stress, and the pulse rate were analyzed. Groups of girls with unsatisfactory state of blood vessels were identified.

According to the data obtained during sanitary-parasitological studies (washings for eggs of helminths and cysts of protozoa) of the external environment objects of general educational institutions in Omsk, the ratio of the chances of finding pinworm eggs in different samples stratified by the types of premises and surfaces in them was evaluated. As a result, a «profile of objects contaminated with pinworm eggs» was obtained, the frequency of detection of pinworm eggs on which was maximal. These objects of the external environment are considered as the leading factors of helminth transmission in educational institutions with a low risk of infection - with the infectiousness of children with enterobiosis up to 5.0%.

Sanitary and hygienic analysis of drinking water quality was carried out and health risk assessment of the population living in the industrial areas of the Perm region and consuming drinking water with high content of organochlorine compounds (Tetrachloromethane to 3.7 MPC, chloroform to 2.8 MPC). In the conditions of oral exposure to COC in the population formed unacceptable non-carcinogenic risk of endocrine system pathology (HI = 1.72, due to the influence of chloroform (85.7 %). In exposed children with high concentrations of chloroform and Tetrachloromethane in the blood, endocrine system pathology was diagnosed 2,0-2,4 times more often, the relative risk of obesity (E66.0) and redundant power supply (E67.8) 2.4 times higher than the indicators of the comparison group. A reliable cause-and-effect relationship between the development of metabolic disorders (obesity and overweight) and the consumption of drinking water with high content of chos (OR = 2,4; DI = 1,05-6,8) was established; the proportion of the explained variance was R² = 0,3-0,34; 85,4 ≤ F ≥ 112,8; p < 0,001. As features of the development of metabolic disorders in the population for a long time consuming drinking water with high content of chos (Tetrachloromethane, chloroform) revealed a sharp disharmony of physical development, early formation of excess body weight and obesity, an increase of 1,4-1,6 times the level Of C-peptide and leptin in the blood, insulin resistance index HOMA-IR, (p < 0,05).

Surgical site infections (SSI) are the most common and most expensive of the Healthcare-associated Infections (HAI). The rate of SSI in the world is 11.2 per 100 patients. One of the significant and important factors leading to ineffectiveness of prevention of SSI is a weak system of epidemiological surveillance, including insufficient completeness of accounting and registration of Healthcare-associated Infections. To conduct a full epidemiological surveillance of SSI, the complex of measures is necessary, including: conducting a prospective study, efficient microbiological monitoring of SSI pathogens, correct calculation of morbidity taking into account risk factors, organizational-methodical support of epidemiological surveillance.

Siberian tick-borne typhus is one of three main tick-borne infections in Russia. The data on the epidemiology of this infection testify not only to varying degrees of epidemic danger of regions, but also on changes in the distribution of risk areas and identify new, epidemiologically significant foci. The criteria for differentiation of focal areas on the risk of infection of the population with the causative agent of Siberian tick-borne typhus have been developed. The ranking is based on the level of morbidity for 1998 - 2016 on 16 endemic territories of the Russia. In accordance with the risk-oriented approach, differentiation of focal areas was carried out with the allocation of epidemiological zones of low, medium, higher than average and high risk of infection. Pronounced heterogeneity of tick-borne rickettsiae circulating in the natural foci noted on molecular biological, antigenic, immunogenic properties and virulence. Data on the main vectors, the transmission mechanism, clinical manifestations, laboratory approaches to diagnosis and preventive therapy. Our findings are important for the organization of epidemiological surveillance of this tick-borne infection.

The analysis of cases of detection of bacteria of the genus Aeromonas in clinical material from various loci of patients of medical organizations was carried out. Their species diversity, isolation in monoculture and associations, resistance to antibiotics and spring-autumn rises indicate the etiological significance of these microorganisms in the infectious process. To improve the biological safety of aquatic biotopes, it is important to study their microbiocenosis, in particular, the circulation of bacteria of the genus Aeromonas, in order to obtain information on pathogenic properties, antibiotic resistance, and seasonal fluctuations. To prevent the spread of Aeromonas infections, it is necessary to carry out sanitary and bacteriological studies of water bodies, environmental objects and food products.

The article presents the experience of the Office of Rospotrebnadzor in the Orenburg region on eradication of an ornithosis outbreak. The incidence of people with ornithosis was a consequence of gross violations of veterinary and sanitary rules, namely rules of birds keeping, their transportation, delayed diagnosis of ornithosis by veterinary service and inopportune realization of antiepizootic measures. The cooperation of Rospotrebnadzor Office in the Orenburg region with all interested services allowed to stop the outbreak of ornithosis during one incubation period and had a positive impact on further work on the prevention of infectious diseases. Since 2009 the epidemiological situation of ornithosis in the region remains safe.