Secchiero, P, Berneman, Z N, Gallo, R C et al. · Virology · 1994 · DOI
Researchers studied human herpesvirus 7 (HHV-7), a common virus that infects most people, by growing it in the laboratory using immune cells from both a ME/CFS patient and a healthy person. They developed better methods to produce large amounts of the virus and created a test to detect antibodies (immune proteins) against HHV-7 in blood samples. They found that most people tested had antibodies to this virus, showing it spreads widely in the population.
This work establishes laboratory methods for studying HHV-7, a herpesvirus that some researchers have investigated as a potential trigger or cofactor in ME/CFS. The development of standardized assays for measuring HHV-7 antibodies enables future epidemiological studies to compare viral exposure between ME/CFS patients and healthy controls, potentially clarifying the virus's role in disease.
This study does not prove that HHV-7 causes ME/CFS or that it is uniquely present in ME/CFS patients—the virus was also recovered from a healthy donor, and antibodies were detected in all sera tested. The study is mechanistic laboratory work that cannot establish disease association or causation without comparative epidemiological data. Presence of HHV-7 or antibodies to it does not mean the virus is actively driving disease symptoms.
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
Secchiero, P, Berneman, Z N, Gallo, R C, & Lusso, P (1994). Biological and molecular characteristics of human herpesvirus 7: in vitro growth optimization and development of a syncytia inhibition test.. Virology. https://doi.org/10.1006/viro.1994.1371
BibTeX
@article{mecfsatlas-secchiero-1994-biological-molecular,
author = {Secchiero, P and Berneman, Z N and Gallo, R C and Lusso, P},
title = {Biological and molecular characteristics of human herpesvirus 7: in vitro growth optimization and development of a syncytia inhibition test.},
journal = {Virology},
year = {1994},
doi = {10.1006/viro.1994.1371},
note = {PubMed: 8009865},
url = {https://www.mecfsatlas.com/evidence/secchiero-1994-biological-molecular},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-26. https://www.mecfsatlas.com/evidence/secchiero-1994-biological-molecular
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