Ablashi, D V, Berneman, Z N, Kramarsky, B et al. · Clinical and diagnostic virology · 1995 · DOI
This review article summarizes what scientists knew about human herpesvirus-7 (HHV-7) as of 1995, a newly discovered virus related to other common herpesviruses. HHV-7 was found in a chronic fatigue syndrome patient, along with healthy people, and is very common in the population (affecting over 85% of Americans). The virus has been linked to a few childhood rash illnesses and possibly some cases with liver involvement, but scientists had limited information about whether it causes ME/CFS.
This early review is historically significant because it documents one of the first reports of HHV-7 isolation from a ME/CFS patient, raising the question of whether this herpesvirus might contribute to ME/CFS pathogenesis. For ME/CFS researchers, understanding the timeline of investigations into viral associations is important context for evaluating the current state of evidence on herpesviruses and ME/CFS.
This review does not establish that HHV-7 causes ME/CFS; it documents only a single patient case from which HHV-7 was isolated. The study is descriptive and cannot determine causation, and the isolation from one CFS patient does not prove the virus is a primary driver of disease. No systematic prevalence comparison between ME/CFS patients and healthy controls is presented.
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 →
Spotted an error in this entry? Report it →