Epizootology and Epidemiology of Opisthorchiasis in Northern Kazakhstan

The aim was to study the epizootological situation, as well characteristics of territories Kostanay and North Kazakhstan regions on fish opisthorchiasis. object is reservoirs region (rivers Torgai, Tobol, Ishim). To date, there a need develop monitoring methods assess epidemiological significance various environmental objects in transmission invasive material spread invasions. These studies will contribute rationalization veterinary sanitary supervision.The conducted have allowed us define leading factors opisthorchiasis Kazakhstan. A diagnostic algorithm has been developed improve its efficiency. results can be used organizational methodological aspects when conducting surveillance area pathogen Opisthorchis felineus covers Pavlodar, Akmola, Karaganda, Aktobe, West regions, extending from eastern western borders This disease, according Republican Epidemiological Station, recently trending upward among population, which indicates an alarming situation As result incidence it found that over past 10 years (2011-2021), 549 29 cases had registered, respectively. In region, largest number occurred 2011 2012 (76 77 cases, respectively).