Cristin-resultat-ID: 1798853
Sist endret: 8. september 2020 13:35
NVI-rapporteringsår: 2020
Resultat
Vitenskapelig artikkel
2020

Geographical distribution and prevalence of tick‐borne encephalitis virus in questing Ixodes ricinus ticks and phylogeographic structure of the Ixodes ricinus vector in Norway

Bidragsytere:
  • Rose Vikse
  • Katrine Mørk Paulsen
  • Kristin Skarsfjord Edgar
  • John H.-O. Pettersson
  • Preben Skrede Ottesen
  • Yohannes Bein Okbaldet
  • mfl.

Tidsskrift

Zoonoses and Public Health
ISSN 1863-1959
e-ISSN 1863-2378
NVI-nivå 2

Om resultatet

Vitenskapelig artikkel
Publiseringsår: 2020
Publisert online: 2020
Volum: 67
Hefte: 4
Sider: 370 - 381

Importkilder

Scopus-ID: 2-s2.0-85080144540

Beskrivelse Beskrivelse

Tittel

Geographical distribution and prevalence of tick‐borne encephalitis virus in questing Ixodes ricinus ticks and phylogeographic structure of the Ixodes ricinus vector in Norway

Sammendrag

Abstract The tick‐borne encephalitis virus (TBEV), a zoonotic flaviviral infection, is endemic in large parts of Norway and Eurasia. Humans are mainly infected with TBEV via bites from infected ticks. In Norway, the main geographical distribution of ticks is along the Norwegian coastline from southeast (~59°N) and up to the southern parts of Nordland County (~65°N). In this study, we collected ticks by flagging along the coast from Østfold County to Nordland County. By whole‐genome sequencing of the mitochondrial genome of Ixodes ricinus, the phylogenetic tree suggests that there is limited phylogeographic structure both in Norway and in Europe. The overall TBEV prevalence is 0.3% for nymphs and 4.3% for adults. The highest estimated TBEV prevalence in adult ticks was detected in Rogaland and Vestfold County, while for nymphs it is highest in Vestfold, Vest‐Agder and Rogaland. The present work is one of the largest studies on distribution and prevalence of TBEV in ticks in Scandinavia, showing that the virus is wider distributed in Norway than previously anticipated.

Bidragsytere

Rose Vikse

  • Tilknyttet:
    Forfatter
    ved Avdeling for virologi ved Folkehelseinstituttet

Katrine Mørk Paulsen

  • Tilknyttet:
    Forfatter
    ved Avdeling for virologi ved Folkehelseinstituttet
  • Tilknyttet:
    Forfatter
    ved Institutt for produksjonsdyrmedisin ved Norges miljø- og biovitenskapelige universitet

Kristin Skarsfjord Edgar

  • Tilknyttet:
    Forfatter
    ved Avdeling for smittevern og beredskap ved Folkehelseinstituttet

John H.-O. Pettersson

  • Tilknyttet:
    Forfatter
    ved University of Sydney
  • Tilknyttet:
    Forfatter
    ved Uppsala universitet

Preben Skrede Ottesen

  • Tilknyttet:
    Forfatter
    ved Avdeling for smittevern og beredskap ved Folkehelseinstituttet
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