Nehme, Mayssam, Chappuis, Francois, Kaiser, Laurent et al. · Journal of general internal medicine · 2023 · DOI
This study looked at how common long-lasting fatigue is in people who had COVID-19, and whether some of them developed ME/CFS (a serious fatigue illness). Researchers surveyed a large group of people to understand how severe their exhaustion was and how much it affected their daily lives. The findings help show how many COVID survivors experience ongoing tiredness that resembles ME/CFS.
Understanding how many COVID-19 survivors develop ME/CFS-like symptoms is crucial for healthcare planning and validating post-COVID conditions as a significant public health issue. This research provides epidemiological evidence that ME/CFS patterns occur after COVID-19, which may increase recognition and support for affected patients.
This study cannot prove that COVID-19 directly causes ME/CFS, only that both conditions co-occur in some survivors. Cross-sectional data cannot establish the timeline of symptom onset or distinguish between pre-existing and newly developed fatigue. The study does not identify underlying biological mechanisms or risk factors that determine who develops these conditions.
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 →
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