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WEST NILE FEVER IN THE SARATOV REGION IN 2013-2015.
E V Kazorina1, T Y Krasovskaya1, A V Kazantsev1
1Russian Research Anti-Plague Institute «Microbe».
Voprosy Virusologii
|December 10, 2022
Summary
West Nile virus (WNV) circulates actively in the Saratov region, impacting infectious diseases. Investigations confirmed WNV presence in local wildlife, animals, and humans, indicating established transmission cycles.
Area of Science:
- * Veterinary Virology
- * Epidemiology
- * Arbovirology
Background:
- * West Nile virus (WNV) is a significant public health concern globally.
- * Understanding WNV circulation is crucial for disease prevention and control in endemic regions.
Purpose of the Study:
- * To investigate West Nile virus (WNV) circulation in the Saratov region.
- * To assess the role of WNV in regional infectious pathology.
- * To identify WNV presence in various environmental and host samples.
Main Methods:
- * Analysis of bloodsucking arthropods, bird, and small mammal organs for WNV markers (antigens/RNA) from 2013-2015.
- * Seroprevalence studies in livestock, animals, and the human population.
- * Examination of clinical samples from patients with West Nile fever (WNF)-compatible symptoms.
Main Results:
- * WNV markers were detected in field samples from natural biotopes and Saratov city.
- * Evidence of WNV immunity was found in horses and a stable population domain.
- * Annual cases of West Nile fever (WNF) have been registered in the region since 2012.
Conclusions:
- * The study confirms the active circulation of West Nile virus (WNV) in the Saratov region.
- * Stable natural and anthropourgic (human-influenced) foci of WNV transmission have been established.
- * Ongoing surveillance and control measures are essential to manage WNV in the region.
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