Fig. 5.

Percentage of participants in the different severity groups of the cases as well as the controls who experienced between N = 0 and N ≥5 symptoms daily out of all 20 symptoms and out of the three main symptom classes: neurological/psychiatric (anxiety, depression, disturbance of memory, headache, loss of concentration, sleep disorders), pulmonary/cardiovascular (chest pain, cough, dyspnea, palpitations), and gastrointestinal (abdominal pain, diarrhea, loss of appetite, nausea/vomiting, vertigo).