The choice would have to be made in order to clear up the confusion between ME and the Los Angeles outbreak.
ME was coined in an attempt to move "Epidemic Neuromyasthenia" to a new level.
In order for ME to be on "firm ground" it is necessary to conceive of the new name as including the refinements that went along with the renaming.
Saying "it's all the same" demolishes the attempt to refine an illness entity by moving it back to the old level.
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http://findacureclub.weebly.com/uploads/5/2/5/1/5251327/acheson_amjmed.pdf
The Clinical Syndrome Variously Called Benign Myalgic Encephalomyelitis,
Iceland Disease and Epidemic Neuromyasthenia
E.D. Acheson, D.M., M.R.C.P.
The Case for a Clinical Entity
It is significant that the first review of the
syndrome under discussion was entitled, “Not
poliomyelitis”45; the second, “A new clinical
entity?”22. In later articles entitled, “Epidemic
myalgic encephalomyelitis”46, “Benign
myalgic encephalomyelitis”46a and “Epidemic
neuromyasthenia”15,16, the authors considered
themselves on sufficiently strong ground to
describe and name the syndrome. This
sequence indicates that the first and minimum
requirement in the definition of an entity is the
essentially negative one of showing that the
syndrome is not an unusual manifestation of a
disease already recognized. Later, as evidence
accumulates, it may be possible to define the
disorder in positive terms.