目前，关于慢性疲劳综合征（ChronicFa－tigueSyndrome，简称CFS）的发病原因尚不明确。有人发现，许多患者在出现疲劳之前，先出现“流感样”症状，有的病人血清中还查出有关病毒的抗体，同时很多疲劳的病人伴有低热，咽部疼痛充血，淋巴结肿大等临床表现。因此，在CDC（美国? At present, the cause of Chronic Fatigue Syndrome (Chronic Fatigue-Syndrome, referred to as CFS) is not yet clear. Some people have found that many patients show symptoms of “flu-like” before they develop fatigue. Some patients also detect antibodies to the serum in their sera, while many patients with fatigue suffer from fever, pharyngeal hyperemia, and swollen lymph nodes which performed. Therefore, in the CDC (United States?