The five most common symptoms: Exercise intolerance (71%) Excessive fatigue (69%) Numbness (63%) Brain fog (63%) Neuropathy (63%)

In the week before survey completion, participants xperienced at least once in the week: Feeling unease (93%) Fearfulness (82%) Overwhelmed by worries (81%) Feelings of helplessness (80%) Anxiety (76%) Depression (76%) Hopelessness (72%) Worthlessness (49%)