Jason, Leonard A, Katz, Ben, Gleason, Kristen et al. · International journal of psychiatry (Overland Park) · 2017
This study followed healthy college students over time to see what happens when they catch infectious mononucleosis (IM) and whether some develop ME/CFS afterward. Researchers collected information about students' physical health and emotional well-being before they got sick, while they had IM, and about 6 months later. By tracking students this way, the study aimed to identify which factors might put someone at higher risk of developing ME/CFS after a mono infection.
Understanding which biological and psychological factors predict ME/CFS development after infectious mononucleosis could help identify at-risk individuals early and eventually prevent the condition. This prospective approach is valuable because it tracks people before, during, and after infection—more reliable than retrospective studies—potentially revealing modifiable risk factors or protective mechanisms.
This study does not prove that infectious mononucleosis causes ME/CFS in all or most cases, nor does it establish causal mechanisms. The case study format and preliminary nature of reported findings mean conclusions about risk factors cannot be generalized to all ME/CFS patients or all college-aged populations. Correlation between identified factors and ME/CFS development does not establish causation.
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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