Evidence map›Paper›PMID 37968601›Full record

ArticleBMC infectious diseases2023

Epstein-Barr virus reactivation is not causative for post-COVID-19-syndrome in individuals with asymptomatic or mild SARS-CoV-2 disease course.

Alexandra Domnica Hoeggerl, Verena Nunhofer, Wanda Lauth, Natalie Badstuber, Nina Held, Georg Zimmermann, Christoph Grabmer, Lisa Weidner, Christof Jungbauer, Nadja Lindlbauer and 6 more

Open access · goldAbstract read
In one paragraph

Article in BMC infectious diseases, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
3.7field-weighted citation impact, top 6% 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

10 citing papers in PubMed, 18 citations in OpenAlex.

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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

16 authors at 4 institutions in 1 country.

Alexandra Domnica Hoeggerl *Department of Transfusion Medicine, University Hospital of Salzburg (SALK), Paracelsus Medical University (PMU) Salzburg, Müllner-Hauptstraße 48, Salzburg, 5020, Austria.
Verena Nunhofer *Department of Transfusion Medicine, University Hospital of Salzburg (SALK), Paracelsus Medical University (PMU) Salzburg, Müllner-Hauptstraße 48, Salzburg, 5020, Austria.
Wanda LauthTeam Biostatistics and Big Medical Data, IDA Lab Salzburg, PMU Salzburg, Strubergasse 16, Salzburg, 5020, Austria.
Natalie BadstuberDepartment of Psychological Assessment, Institute of Psychology, Paris-Lodron-University of Salzburg, Salzburg, Austria.
Nina HeldDepartment of Transfusion Medicine, University Hospital of Salzburg (SALK), Paracelsus Medical University (PMU) Salzburg, Müllner-Hauptstraße 48, Salzburg, 5020, Austria.
Georg ZimmermannTeam Biostatistics and Big Medical Data, IDA Lab Salzburg, PMU Salzburg, Strubergasse 16, Salzburg, 5020, Austria.ORCID http://orcid.org/0000-0002-8282-1034
Christoph GrabmerDepartment of Transfusion Medicine, University Hospital of Salzburg (SALK), Paracelsus Medical University (PMU) Salzburg, Müllner-Hauptstraße 48, Salzburg, 5020, Austria.
Lisa WeidnerAustrian Red Cross, Blood Service for Vienna, Lower Austria and Burgenland, Wiedner Hauptstraße 32, Vienna, 1040, Austria.
Christof JungbauerAustrian Red Cross, Blood Service for Vienna, Lower Austria and Burgenland, Wiedner Hauptstraße 32, Vienna, 1040, Austria.
Nadja LindlbauerDepartment of Transfusion Medicine, University Hospital of Salzburg (SALK), Paracelsus Medical University (PMU) Salzburg, Müllner-Hauptstraße 48, Salzburg, 5020, Austria.
Heidrun NeureiterDepartment of Transfusion Medicine, University Hospital of Salzburg (SALK), Paracelsus Medical University (PMU) Salzburg, Müllner-Hauptstraße 48, Salzburg, 5020, Austria.
Tuulia OrtnerDepartment of Psychological Assessment, Institute of Psychology, Paris-Lodron-University of Salzburg, Salzburg, Austria.ORCID http://orcid.org/0000-0002-5703-6915
Maria FlammInstitute of General Practice, Family Medicine and Preventive Medicine, PMU Salzburg, Strubergasse 21, Salzburg, 5020, Austria.
Jürgen OsterbrinkInstitute of Nursing Science and Practice, PMU Salzburg, Strubergasse 21, Salzburg, 5020, Austria.
Eva RohdeDepartment of Transfusion Medicine, University Hospital of Salzburg (SALK), Paracelsus Medical University (PMU) Salzburg, Müllner-Hauptstraße 48, Salzburg, 5020, Austria.ORCID http://orcid.org/0000-0001-8692-886X
Sandra Laner-PlambergerDepartment of Transfusion Medicine, University Hospital of Salzburg (SALK), Paracelsus Medical University (PMU) Salzburg, Müllner-Hauptstraße 48, Salzburg, 5020, Austria. s.laner-plamberger@salk.at.ORCID http://orcid.org/0000-0002-1416-6023
Paracelsus Medical University · ATUniversity of Salzburg · ATAustrian Red Cross · ATFachhochschule Salzburg · AT

Funding

Salzburger Landesregierung (WISS 2025) 20204-WISS/225/197-2019
6 · The paper itself

Abstract

purposePost-COVID-19-Syndrome (PCS) frequently occurs after an infection with severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). However, the understanding of causative mechanisms is still limited. Aim of this study was to determine the PCS rate among SARS-CoV-2 seropositive blood donors as representatives of supposedly healthy adults, who had experienced an asymptomatic or mild COVID-19 disease course, and to examine whether Epstein-Barr virus (EBV) is reactivated in individuals reporting PCS.

methodsThe PCS rate was determined using questionnaires that included questions about infection and persistent symptoms. Pre-pandemic blood samples and samples collected at regular, pre-defined times after a SARS-CoV-2 infection were analysed for neopterin, a marker for antiviral immune responses, by an enzyme-linked immunosorbent assay (ELISA). Additionally, we determined the rate of SARS-CoV-2 anti-N total antibodies using an electrochemiluminescence immunoassay (ECLIA). Furthermore, quantitative real-time polymerase chain reaction (qPCR) to detect EBV DNA and ECLIA screening for EBV viral capsid-antigen (VCA) IgM, IgG and EBV nuclear antigen 1 (EBNA) IgG were performed.

resultsOur data reveal that 18% of all infections result in PCS, with symptoms lasting for up to one year. In individuals reporting PCS, no elevated levels of neopterin were detected, indicating no persisting pro-inflammatory, antiviral immune response. SARS-CoV-2 antibody levels were declining in all participants in comparable manner over time, pointing to a successful virus clearance. In individuals with PCS, no EBV DNA could be detected. Furthermore, no differences in EBV specific antibody levels could be shown in PCS groups compared to non-PCS groups.

conclusionOur data suggest that PCS in per se healthy, immunocompetent adults cannot be ascribed to a reactivation of EBV.

Indexed as

COVID-19Epstein-Barr Virus InfectionsAdultAntibodies, ViralAntigens, ViralDNAHerpesvirus 4, HumanHumansImmunoglobulin GImmunoglobulin MNeopterinSARS-CoV-2Antibodies, ViralAntigens, ViralDNAImmunoglobulin GImmunoglobulin MNeopterinCOVID-19EBVLong-COVIDPost-COVID-19-syndrome (PCS)SARS-CoV-2

Identifiers

PMID37968601
PMCPMC10652630
OpenAlexW4388692357

What OpenQuestion holds

Textmetadata
LicenceCC BY
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Registered trials

None linked

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.