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Mosquito surveillance of West Nile and Usutu viruses in four territorial units of Slovakia and description of a confirmed autochthonous human case of West Nile fever, 2018 to 2019

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081766%3A_____%2F21%3A00542991" target="_blank" >RIV/68081766:_____/21:00542991 - isvavai.cz</a>

  • Result on the web

    <a href="https://www.eurosurveillance.org/content/10.2807/1560-7917.ES.2021.26.19.2000063" target="_blank" >https://www.eurosurveillance.org/content/10.2807/1560-7917.ES.2021.26.19.2000063</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.2807/1560-7917.ES.2021.26.19.2000063" target="_blank" >10.2807/1560-7917.ES.2021.26.19.2000063</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Mosquito surveillance of West Nile and Usutu viruses in four territorial units of Slovakia and description of a confirmed autochthonous human case of West Nile fever, 2018 to 2019

  • Original language description

    Background: Despite the known circulation of West Nile virus (WNV) and Usutu virus (USUV) in Slovakia, no formal entomological surveillance programme has been established there thus far.nAim: To conduct contemporaneous surveillance of WNV and USUV in different areas of Slovakia and to assess the geographical spread of these viruses through mosquito vectors. The first autochthonous human WNV infection in the country is also described. nMethods: Mosquitoes were trapped in four Slovak territorial units in 2018 and 2019. Species were characterised morphologically and mosquito pools screened for WNV and USUV by real-time reverse-transcription PCRs. In pools with any of the two viruses detected, presence of pipiens complex group mosquitoes was verified using molecular approaches. nResults: Altogether, 421 pools containing in total 4,508 mosquitoes were screened. Three pools tested positive for WNV and 16 for USUV. USUV was more prevalent than WNV, with a broader spectrum of vectors and was detected over a longer period (June–October vs August for WNV). The main vectors of both viruses were Culex pipiens sensu lato. Importantly, WNV and USUV were identified in a highly urbanised area of Bratislava city, Slovakias’ capital city. Moreover, in early September 2019, a patient, who had been bitten by mosquitoes in southwestern Slovakia and who had not travelled abroad, was laboratory-confirmed with WNV infection.nConclusion: The entomological survey results and case report increase current understanding of the WNV and USUV situation in Slovakia. They underline the importance of vector surveillance to assess public healthnrisks posed by these viruses.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    30303 - Infectious Diseases

Result continuities

  • Project

    <a href="/en/project/NV19-09-00036" target="_blank" >NV19-09-00036: Preparedness for introduction of exotic mosquito-borne viral fevers - One Health approach</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2021

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Eurosurveillance

  • ISSN

    1025-496X

  • e-ISSN

    1560-7917

  • Volume of the periodical

    26

  • Issue of the periodical within the volume

    19

  • Country of publishing house

    FR - FRANCE

  • Number of pages

    11

  • Pages from-to

    2000063

  • UT code for WoS article

    000651622700001

  • EID of the result in the Scopus database

    2-s2.0-85105906439