I.A. KARPOVA^1,2, G.R. KHASANOVA¹, V.B. ZIATDINOV^1,3

¹Kazan State Medical University of the Ministry of Health of the Russian Federation, Kazan

²Center for Hygiene and Epidemiology in the Republic of Tatarstan, Kazan

³Kazan Research Institute of Epidemiology and Microbiology of the Federal Agency for Supervision of Consumer Rights Protection and Human Well-being, Kazan

Contact:

Karpova I.A. ― Assistant of the Department of Epidemiology and Evidence-Based Medicine, Head of the Anti-epidemic Department

Address: 13a Sechenov Str., Kazan, Russian Federation, 420061, tel. (843) 221-90-25, e-mail: dnskarpov@rambler.ru

Objective ― to analyze the incidence of lime-borreliosis in the territory of the Republic of Tatarstan for the period 2011-2018.

Material and methods. The analysis of the long-term dynamics of the incidence of lime-borreliosis for the period of 2011-2018 and its structure was carried out, using the data of form №2 «Information on infectious and parasitic diseases». Incidence of the disease (per 100 thousand of the population) and a trend in the incidence for the period 2011-2018 were calculated, as well as its theoretical incidence indicators, minimal and maximal values. The structure of the incidence is presented by percentage. The statistical significance of differences in the structure of morbidity was assessed using Student t-test for independent groups. Statistical processing was carried out using the Microsoft Office Excel 2010 software.

Results. The incidence of lime-borreliosis in the Republic of Tatarstan is wave-like with a decreasing trend. The average long-term incidence rate for the period 2011-2018 amounted to 1.2 per 100 thousand people. The highest incidence rates were recorded in the eastern regions of the republic. There is an increase in the contribution of garden foci from 4 (13%) in 2016 to 11 (34%) in 2018 (t=2.2, p<0.05) in the structure of the lime-borreliosis incidence with a decrease in the role of forest foci from 28 (88%) to 20 (57%) (t=2.98; p<0,05); 86% of patients were urban residents. As a potentially effective measure to reduce the incidence, we can consider an increase in the volume of laboratory investigation of ticks taken from injured people and organization of subsequent personalized preventive measures.

Key words: lime-borreliosis, incidence, epidemiology, Republic of Tatarstan.

(For citation: Karpova I.A., Khasanova G.R., Ziatdinov V.B. Analysis of the incidence of borreliosis in the Republic of Tatarstan for 2011-2018. Practical Medicine. 2019. Vol. 17, № 8, P. 62-66)

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