Chronic Fatigue and Immune Disorder Syndrome Association of America president Kimberly McCleary says CFS has turned out to be a much more complex illness than anyone could have predicted.

• 他特别提到内镜检查能够提供一种相对简单的检测方法证明在CFS患者体内存在持续肠病毒感染，同时其还可以观察抗病毒治疗的效果。