e/Alternative names for chronic fatigue syndrome

Information
has gloss	eng: Chronic fatigue syndrome (CFS) is the name currently used by the majority of the medical and scientific community to describe a condition or set of conditions characterized by fatigue and other symptoms. The term is contested, mostly by patients and patient advocacy groups, but also by some doctors. Several of the more common alternative names used to describe what most believe to be the same condition or subtypes include myalgic encephalomyelitis (ME), chronic fatigue immune dysfunction syndrome (CFIDS), and post-viral fatigue syndrome (PVFS).
lexicalization	eng: Alternative names for chronic fatigue syndrome
instance of	c/Ailments of unknown etiology