Long Covid is really not new. It is virtually indistinguishable from the condition long known in the medical lexicon as post-infectious syndrome or myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS). Although some have recognized and studied their similarities, it seems no one has made the simplifying observation that they are essentially the same condition.[1]

[1]: https://www.statnews.com/2023/09/14/long-covid-me-cfs-myalgi...