Wilson, P M, Kusumakar, V, McCartney, R A et al. · Journal of psychosomatic research · 1989 · DOI
This study looked at 39 children who were sick and tested them for Coxsackie B virus infection. Eighteen of the children had evidence of this virus. Most children, whether infected or not, complained of muscle weakness and tiredness. Children who had the virus were more likely to have family members with the same virus and to feel sad or anxious.
This study is historically significant as it identified a potential viral trigger for a syndrome characterized by fatigue, muscle pain, and psychological symptoms in children—features central to understanding ME/CFS pathogenesis. The proposal to recognize fatigue and mood disturbance as core features, rather than emphasizing encephalomyelitis, influenced how subsequent researchers conceptualized post-viral illnesses. The familial clustering of CBV infection suggests possible shared genetic or environmental susceptibility factors relevant to ME/CFS.
This study does not prove that Coxsackie B virus causes ME/CFS or post-viral syndrome, only that some infected children develop these symptoms. The lack of controls and the retrospective design mean we cannot determine whether CBV infection is necessary, sufficient, or merely coincidental to symptom development. The study also does not establish whether the proposed 'fatigue-dysphoria syndrome' is distinct from other post-viral conditions or represents a unique disease entity.
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 →