Evidence map›Paper›PMID 25245773›Full record

ArticleParasites & vectors2014

Prevalence and phylogenetic analysis of tick-borne encephalitis virus (TBEV) in field-collected ticks (Ixodes ricinus) in southern Switzerland.

Nadia Rieille, Stéphane Bressanelli, Caio C M Freire, Séverine Arcioni, Lise Gern, Olivier Péter, Maarten J Voordouw

Abstract read
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Article in Parasites & vectors, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

18 citing papers in PubMed.

  1. Article
  2. Differential Impact of Simultaneous or Sequential Coinfections WithInternational journal of microbiology · 2025
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  12. Review
  13. The Role of Mammalian Reservoir Hosts in Tick-Borne Flavivirus Biology.Frontiers in cellular and infection microbiology · 2018
    Review
  14. Article
  15. Article
  16. Article
  17. Article
  18. Article
4 · The record

Corrections and comments

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5 · Who and what money

Authors and funding

7 authors.

Nadia RieilleCentral Institute of Valais Hospitals, Infectious diseases, Av Grand Champsec 86, Sion, Switzerland. nadia.rieille@unine.ch.
Stéphane Bressanelli
Caio C M Freire
Séverine Arcioni
Lise Gern
Olivier Péter
Maarten J Voordouw

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundTick-borne encephalitis is the most common tick-borne viral infection in Europe with 3,000 human cases reported each year. In Western Europe, the castor bean tick, Ixodes ricinus, is the principal vector of the tick-borne encephalitis virus (TBEV). TBEV appears to be spreading geographically and was recently detected for the first time in Canton Valais in the southern part of Switzerland. The purpose of the present study was to survey the I. ricinus tick populations of Canton Valais for TBEV.

methodsWe collected a total of 19,331 I. ricinus ticks at 45 different sites in Canton Valais between 2010 and 2013. Ticks were processed in pools and tested for TBEV using reverse transcription quantitative PCR. The NS5 gene and the envelope gene of the TBEV isolates were partially sequenced for phylogenetic analysis.

resultsTBEV was detected in tick populations at six of the 45 sites. These six sites were all located in a 33 km transect along the Rhône River. TBEV was detected in two sites for three of the four years of the study showing the temporal persistence of the pathogen. Prevalence of TBEV in the six positive sites ranged from 0.16% to 11.11%. Phylogenetic analysis found that all TBEV isolates from Canton Valais belonged to the European subtype. Genetic analysis found two distinct lineages of TBEV suggesting that Canton Valais experienced two independent colonization events.

conclusionsTBEV appears to be well established at certain locations in Canton Valais.

Indexed as

PhylogenyAmino Acid SequenceAnimalsBase SequenceDNAEncephalitis Viruses, Tick-BorneGene Expression Regulation, ViralGenetic VariationIxodesModels, MolecularMolecular Sequence DataProtein ConformationSwitzerlandViral Envelope ProteinsDNAViral Envelope Proteins

Identifiers

PMID25245773
PMCPMC4261884

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.