Evidence map›Paper›PMID 35686567›Full record

ArticleEuro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin2022

Hepatitis E virus genotype 3 microbiological surveillance by the Spanish Reference Laboratory: geographic distribution and phylogenetic analysis of subtypes from 2009 to 2019.

Milagros Muñoz-Chimeno, Silvia Bartúren, Maira Alejandra García-Lugo, Lucia Morago, Álvaro Rodríguez, Juan Carlos Galán, Alfredo Pérez-Rivilla, Mercedes Rodríguez, Rosario Millán, Manuel Del Álamo and 4 more

Abstract read
In one paragraph

Article in Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed, 1 pooled it
–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

20 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Article
  3. Clinical Burden of Symptomatic HEV-3 Infection in Southern Spain.Alimentary pharmacology & therapeutics · 2026
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  10. Prevalence ofOne health (Amsterdam, Netherlands) · 2024
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  14. Epidemiological survey and risk factors associated withOne health (Amsterdam, Netherlands) · 2023
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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

14 authors.

Milagros Muñoz-ChimenoHepatitis Unit, National Centre of Microbiology, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain.
Silvia BartúrenHepatitis Unit, National Centre of Microbiology, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain.
Maira Alejandra García-LugoHepatitis Unit, National Centre of Microbiology, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain.
Lucia MoragoHepatitis Unit, National Centre of Microbiology, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain.
Álvaro RodríguezHepatitis Unit, National Centre of Microbiology, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain.
Juan Carlos GalánServicio de Microbiología, Hospital Universitario Ramón y Cajal and Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain.
Alfredo Pérez-RivillaHospital Universitario 12 de Octubre, Madrid, Spain.
Mercedes RodríguezHospital Universitario Central de Asturias, Grupo de Microbiología Traslacional (ISPA) Oviedo, Asturias, Spain.
Rosario MillánHospital Universitario Puerta de Hierro-Majadahonda, Madrid, Spain.
Manuel Del ÁlamoHospital Universitario Severo Ochoa, Leganés, Madrid, Spain.
Roberto AlonsoHospital General Universitario Gregorio Marañón, Madrid, Spain.
Laura MolinaHospital Universitario de Fuenlabrada, Madrid, Spain.
Aitziber AguinagaComplejo Hospitalario de Navarra, Pamplona, Navarra, Spain.
Ana AvellónHepatitis Unit, National Centre of Microbiology, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BackgroundHepatitis E virus genotype 3 (HEV-3) is widely distributed throughout Europe, with incidence of infections increasing in many countries. Belgium, Bulgaria, France, Germany, Italy, the Netherlands and the United Kingdom have reported the distribution of HEV-3 subtypes in cohorts of patients with hepatic disease.AimTo describe the distribution of the HEV-3 subtypes in Spain at national and autonomous community (AC) levels between 2009 and 2019. The study was also extended to Andorra.MethodsOf 5,197 samples received by the National Reference Laboratory during the study, 409 were HEV-RNA-positive. Among these, 294 (71.9%) were further typed based on an ORF2 sequence fragment, or, for a subset of 74, based on the full-coding genome sequence.ResultsHEV-3 was detected in 291 samples. The dominant subtype in Spain was HEV-3f (88.3%; 257/291), which occurred in all ACs, with no change in detection level over time. Within this subtype, three subclusters were characterised: HEV-3f-B, HEV-3f-A1 and HEV-3f-A2. The second most common HEV subtype was the recently described HEV-3m (7%; 21/291), with two subclusters identified: HEV-3m-A, which has been known since 2010, and HEV-3m-B, since 2014. The third most encountered subtype was HEV-3c (4.1%; 12/291), with a frequency not increasing over time, unlike observations in some European countries.ConclusionThe importance of the surveillance of HEV-3 subtype and subcluster circulation is yet to be assessed. This surveillance together with the comprehensive epidemiological characterisation of clinical cases, could support the identification of sources of transmission and the establishment of control measures nationally and internationally.

Indexed as

Hepatitis EHepatitis E virusGenotypeHumansPhylogenyRNA, ViralRNA, Viralgenotype 3Hepatitis EHEVSpainsubtype

Identifiers

PMID35686567
PMCPMC9198656

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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.