Eligio, Pizzigallo, Delia, Racciatti, Valeria, Gorgoretti · Mediterranean journal of hematology and infectious diseases · 2010 · DOI
This review explores the connection between Epstein-Barr virus (EBV)—the virus that causes mononucleosis—and ME/CFS. While EBV can persist in the body and reactivate at times, it is not clear whether it directly causes chronic fatigue syndrome in most patients. The authors suggest that ME/CFS likely has multiple causes, including EBV in some people, other viruses in others, and non-infectious factors, but the underlying mechanism may involve inflammation and oxidative damage.
This study helps clarify that not all ME/CFS cases are caused by EBV, which is important for patients seeking accurate diagnosis and treatment. Understanding that ME/CFS is multifactorial—involving genetic, viral, and non-viral components—can guide more targeted research and personalized patient management strategies.
This review does not establish that EBV causes ME/CFS in most patients; it actually demonstrates that EBV plays a documented role in only a subset of cases. The study does not provide new experimental data and cannot prove causation versus correlation or distinguish between viral reactivation as cause versus consequence of immune dysregulation. It also does not clarify what percentage of ME/CFS patients have EBV involvement.
About the PEM badge: “PEM required” means post-exertional malaise was an explicit required diagnostic criterion for participant inclusion in this study — not that PEM was studied, observed, or discussed. Studies using criteria that do not require PEM (e.g. Fukuda, Oxford) are tagged “PEM not required”. How the atlas works →
The first block is for the primary paper and is the citation you should use in research work. The atlas-snapshot line only applies if you are specifically referring to this atlas’s reading of the paper on the date shown.
Primary citation
Eligio, Pizzigallo, Delia, Racciatti, & Valeria, Gorgoretti (2010). EBV Chronic Infections.. Mediterranean journal of hematology and infectious diseases. https://doi.org/10.4084/MJHID.2010.022
BibTeX
@article{mecfsatlas-eligio-2010-ebv-chronic,
author = {Eligio, Pizzigallo and Delia, Racciatti and Valeria, Gorgoretti},
title = {EBV Chronic Infections.},
journal = {Mediterranean journal of hematology and infectious diseases},
year = {2010},
doi = {10.4084/MJHID.2010.022},
note = {PubMed: 21415952},
url = {https://www.mecfsatlas.com/evidence/eligio-2010-ebv-chronic},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-30. https://www.mecfsatlas.com/evidence/eligio-2010-ebv-chronic
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