Abstract
. In wiggler samples as well as in imago ones detected are WNF virus markers, which indicate the possibility of transovarial and trans-phase transmission of virus into mosquito populations, habitant in urbanized biocoenoses. It is substantiated that Culex pipiens female mosquitoes, which reproduce autogenically, provide for the persistence of the virus within the inter-epidemic period. Therewith there is a possibility of sustained, epidemically-active WNF micro-foci to be formed in the residential area landscapes, and this issue should be given proper consideration when performing assessment of the risks associated with urban population exposure to the infection.
Highlights
Role of Mosquitoes, Culex pipiens Complex, in West Nile Fever Virus Persistence in Urbanized Biocoenoses of Saratov
Epidemiological investigations were performed in autumn, 2013 in the closed biotopes in the areas of epidemiological WNF manifestations, situated in the territory of Saratov
In wiggler samples as well as in imago ones detected are WNF virus markers, which indicate the possibility of transovarial and transphase transmission of virus into mosquito populations, habitant in urbanized biocoenoses
Summary
Role of Mosquitoes, Culex pipiens Complex, in West Nile Fever Virus Persistence in Urbanized Biocoenoses of Saratov. В настоящее время для многих стран мира актуальной является проблема расширения нозоареала лихорадки Западного Нила (ЛЗН). На территории Саратовской области циркуляция вируса Западного Нила (ВЗН) в природных биотопах установлена в 90-х гг. Заболеваемость ЛЗН в Волгоградской и Астраханской областях была обусловлена нападением инфицированных подвальных комаров Cx. pipiens [3, 4, 9]. Выяснение возможности сохранения вируса в популяциях подвальных комаров в межэпидемический зимний период в городских условиях имеет большое теоретическое и практическое значение.
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