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SPREAD OF TOXOPLASMOSIS IN HUMANS AND ANIMALS IN THE TYUMEN REGION

Vladimir N. Domatsky, Anna A. Antimirova, Yuri V. Glazunov, Larisa A. Glazunova

Abstract: The objective of the research was to study the spread of toxoplasmosis in people and animals in the Tyumen region. Studies on the diagnosis of toxoplasmosis in humans were carried out at the Federal Budgetary Institution of Science “Tyumen Scientific and Research Institute of Territorial Infectious Pathology” of Rospotrebnadzor (Tyumen) in 2000-2015. Diagnosis of toxoplasmosis in animals was carried out in the Tyumen Regional Veterinary Laboratory in 2011-2016. The disease incidence among people in the region was analyzed using the results of immunological studies of various age groups of the population. To diagnose toxoplasmosis in animals, parasitological and immunological methods of diagnosis were used. It was established that toxoplasmosis is a widely common disease among people living in the Tyumen region. The maximum number of positive reactions to toxoplasmosis was recorded in 2002, 2003, 2008, and from 2012 to 2016, when the level of seropositive reactions was 26.2; 20.2; 12.26; 17.08; 11.36; and 10.59% of people examined for toxoplasmosis. In 2014, the highest seropositivity rates for T.gondiiwere 250.35 and 151.09 per 100 people, respectively, in Abatsky and Omutinsky districts of the Tyumen region. As for urban residents of the region, toxoplasmosis is common among residents of the regional center, with 32.34 seropositive people per 100 thousand population found in 2012. Among children, the invasion was recorded at the age of over one year with the maximum seropositive level - 4.36% in 2012. Among dogs and cats examined for the presence of antibodies to T.gondii, the maximum level of seropositivity was found in 2013 and 2016. These indicators were at the level of 15.4 and 15.0%, respectively. During the examination of seropositive cats, the release of oocysts of T.gondii was found in only 0.42%. Keywords: Toxoplasmosis, seropositivity, Tyumen region, dogs, cats

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