“…The literature gives ample evidence of chronic fatigue syndromes after infections with viruses like Epstein-Barr virus [1], Ross River virus [2], Coxiella burnetii [3,4], and enterovirus [5,6]. However, also noninfectious diseases have been associated with chronic fatigue such as rheumatic arthritis [7], cancer [8,9], or Crohn's disease [10]. From all these reports it is obvious that, irrespective of the type of infection or inflammation, patients report -besides fatigue -the same constellation of fatigue-related symptoms: pain, muscular weakness, poor mental concentration, and increased and long-lasting malaise after exertion.…”