The chronic fatigue syndrome: definition, current studies and lessons for fibromyalgia research

…of natural killer cells, and low levels of immune complexes. Clinical and serologic studies suggest an association of CFS with all of the human herpesviruses, particularly Epstein-Barr virus (EBV) and…

Myalgic encephalomyelitis: postviral fatigue and the heart

…particularly those of the Coxsackie B group. This does not exclude the possible role of other viruses-for example, arboviruses where these are prevalent-as initiators of such pathogenic processes. It seems…