Представлены результаты изучения иммунной прослойки местного населения Хабаровского края, Еврейской автономной и Амурской областей и проживающих там иностранных граждан, временно осуществляющих трудовую деятельность, к широкому кругу возбудителей природно-очаговых инфекционных болезней бактериальной и вирусной этиологии, в том числе к возбудителям некоторых «экзотических» инфекционных болезней. Результаты исследований свидетельствуют о наличии серопозитивных лиц у населения трех субъектов Дальнего Востока к возбудителям природно-очаговых инфекционных болезней: туляремии, лептоспирозов, иерсиниозов, геморрагической лихорадки с почечным синдромом, гранулоцитарного анаплазмоза человека, иксодовых клещевых боррелиозов, клещевого вирусного энцефалита, серогруппы Калифорнийского энцефалита, лихорадок Синдбис, Западного Нила, денге. Разведка циркуляции вирусов Батаи и Крымской-Конго геморрагической лихорадки на основе серологических исследований не принесла положительных результатов.

For the first time ever mobile SAET units have performed complex investigation of epidemiological situation on leptospiroses in order to provide sanitary-epidemiological welfare of the population in the Amur-River region devastated by high water in 2013. Analyzed have been contemporary published and archival data on morbidity rate and epizootic activity of the natural leptospirosis foci in the Amur-River territory up to 2013. Summarized is the information concerning monitoring over natural focal infections (in particular leptospiroses) in the flooding area, obtained by specialized antiepidemic teams from Irkutsk Research Anti-Plague Institute of Siberia and Far East deployed in Belogorsk town of the Amur Region and Khabarovsk city in 2013. Epizootiological situation during the high water period in the Jewish Autonomous Region has been defined as an extremely adverse, unlike the Khabarovsk Territory and the Amur Region where epizootic process is less expressed. Therewith aggravation of epidemiological situation on leptospiroses in the Amur-River Region in 2014 is not ruled out.

Considerable aggravation of sanitary-hygienic situation forming the basis for occurrence of mass infectious disease outbreaks is observed when immense territories are water logged, and water supply systems are destructed. Therewith in order to provide control over the spread of acute enteric water-borne infections in the Jewish Autonomous Region investigated was the morbidity both in the last decade and after the flood period in 2013. The system of organizational and preventive actions included inspection of water intake constructions, zones of sanitary protection of water fences; laboratory control over the drinking water quality; organization of the homesteads patrolling for early detection of infectious diseases; monitoring of the infectious and parasitic diseases incidence rate; management of the vaccine prophylaxis; inspection of solid household waste storage sites and other epidemically significant objects in the flooded area; determination of necessary disinfectant quantity; provision of the population with information concerning implementation of the post-flood prophylactic measures. The actions undertaken permitted to get the epidemic situation on acute enteric infections including the water-dependent ones under control.

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Carried out were epizootiological studies of the flooded areas of the Amur Region, the Khabarovsk territory, and the Jewish autonomous region in order to investigate the situation on tularemia in view of the river floods in August-September, 2013. Involved were specialized anti-epidemic teams from Irkutsk Research Anti-Plague Institute for works at the site of emergency. Therewith, analysis of the data of the epizootiological examination of the territories obtained in cooperation with specialists from the Rospotrebnadzor local Centers of Hygiene and Epidemiology, and results of laboratory investigations with application of bacteriological, immu no bio logical and molecular-genetic methods indicated insignificant epizootic and epidemic activity of the natural tularemia foci. Given is the conclusion on epizootiological-epidemiological condition for tularemia in the flooded areas of the Amur River region and a short-term epizootiological forecast for 2013-2014, as well as recommendations concerning stabilization and improvement of epidemiological conditions in the region.