Evidence map›Paper›PMID 32794446›Full record

ArticleEuro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin2020

West Nile virus in humans, Greece, 2018: the largest seasonal number of cases, 9 years after its emergence in the country.

Danai Pervanidou, Annita Vakali, Theano Georgakopoulou, Takis Panagiotopoulos, Eleni Patsoula, George Koliopoulos, Constantina Politis, Kostas Stamoulis, Elpida Gavana, Styliani Pappa and 8 more

Open access · diamondAbstract read
In one paragraph

Article in Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed
5.0field-weighted citation impact, top 4% of its field
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

28 citing papers in PubMed, 42 citations in OpenAlex.

  1. Article
  2. Article
  3. Endemic progression of autochthonous West Nile virus infections in Europe.European journal of microbiology & immunology · 2026
    Review
  4. Review
  5. Article
  6. Seroprevalence of West Nile virus, Greece, 2020.Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin · 2025
    Article
  7. Article
  8. Article
  9. Article
  10. Article
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  12. Article
  13. Review
  14. Article
  15. Article
  16. The European Union One Health 2022 Zoonoses Report.EFSA journal. European Food Safety Authority · 2023
    Article
  17. Article
  18. Article
  19. West Nile Virus inViruses · 2023
    Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

18 authors at 8 institutions in 1 country.

Danai PervanidouHellenic National Public Health Organization/former Hellenic Center for Disease Control & Prevention, Athens, Greece.
Annita VakaliHellenic National Public Health Organization/former Hellenic Center for Disease Control & Prevention, Athens, Greece.
Theano GeorgakopoulouHellenic National Public Health Organization/former Hellenic Center for Disease Control & Prevention, Athens, Greece.
Takis PanagiotopoulosSchool of Public Health, Faculty of Public Health Policy, University of West Attica, Athens, Greece.
Eleni PatsoulaSchool of Public Health, Faculty of Public Health Policy, University of West Attica, Athens, Greece.
George KoliopoulosBenaki Phytopathological Institute, Athens, Greece.
Constantina PolitisHellenic National Public Health Organization/former Hellenic Center for Disease Control & Prevention, Athens, Greece.
Kostas StamoulisHellenic National Blood Transfusion Center, Athens, Greece.
Elpida GavanaNational Reference Center for Arboviruses and Haemorrhagic Fever Viruses, Department of Microbiology, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece.
Styliani PappaNational Reference Center for Arboviruses and Haemorrhagic Fever Viruses, Department of Microbiology, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece.
Maria MavrouliDepartment of Microbiology, Medical School, National and Kapodistrian University of Athens, Athens, Greece.
Maria EmmanouilDiagnostic Services Laboratory, Public Health Laboratories, Hellenic Pasteur Institute, Athens, Greece.
George SourvinosLaboratory of Clinical Virology, Medical School, University of Crete, Heraklion, Crete, Greece.
Andreas MentisDiagnostic Services Laboratory, Public Health Laboratories, Hellenic Pasteur Institute, Athens, Greece.
Athanassios TsakrisDepartment of Microbiology, Medical School, National and Kapodistrian University of Athens, Athens, Greece.
Christos HadjichristodoulouLaboratory of Hygiene and Epidemiology, Medical School, University of Thessaly, Larisa, Greece.
Sotirios TsiodrasHellenic National Public Health Organization/former Hellenic Center for Disease Control & Prevention, Athens, Greece.
Anna PapaNational Reference Center for Arboviruses and Haemorrhagic Fever Viruses, Department of Microbiology, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece.
National Public Health Organization · GRAristotle University of Thessaloniki · GRNational and Kapodistrian University of Athens · GRPasteur Hellenic Institute · GRUniversity of West Attica · GRBenaki Phytopathological Institute · GRUniversity of Crete · GRUniversity of Thessaly · GR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BackgroundHuman cases of West Nile virus (WNV) infection are recorded since 2010 in Greece, with seasonal outbreaks occurring almost annually. Enhanced surveillance has been implemented since 2010, to promptly characterise cases' temporal and geographical distribution and inform authorities for implementation of appropriate measures (mosquito control, health education, blood safety).AimWe describe the epidemiology of WNV human infections in Greece focusing on the 2018 season.MethodsThe National Public Health Organization advised physicians to test all suspect WNV infection cases and refer samples to reference laboratories. Laboratories notified diagnosed cases on a daily basis. Treating physicians, patients, and infected blood donors were interviewed within 48 hours after diagnosis and the probable infection location was identified. Hospitalised cases were followed up until discharge.ResultsA total of 317 autochthonous WNV infection cases were diagnosed in 2018. Among them, 243 cases had neuroinvasive disease (WNND), representing a 23% increase of WNND cases compared with 2010, the previous most intense season. There were 51 deaths. Cases started occurring from week 22, earlier than usual. Both rural and urban areas were affected, with 86 (26% of the total) municipalities belonging to seven (54% of the total) regions recording cases. Two major epicentres were identified in Attica and Central Macedonia regions.ConclusionsThe largest number of human cases of WNV infection ever recorded in Greece occurred in 2018, with a wide geographical distribution, suggesting intense virus circulation. Enhanced surveillance is vital for the early detection of human cases and the prompt implementation of response measures.

Indexed as

Disease OutbreaksAnimalsAntibodies, ViralBlood DonorsFemaleGreeceHumansPopulation SurveillanceSeasonsWest Nile FeverWest Nile virusYoung AdultAntibodies, Viral2018Greecevectorborne diseasesWest Nile Virus

Identifiers

PMID32794446
PMCPMC7427301
OpenAlexW3048440799

What OpenQuestion holds

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LicenceCC BY
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Registered trials

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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.