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Disease symptom and correlation in people living with ME/CFS and Healthy controls. (A) Median score and IQR of seven ME/CFS symptom domains across 6 months in people with mild/moderate (n = 14) or severe ME/CFS (n = 16) and HC (n = 16), based on questionnaires completed at the time of saliva sample collection by participants. (B) Correlation matrix between seven ME/CFS symptom domain scores in people with ME/CFS (n = 30).
