[tsoukase]

Firstly the term 'long' is not good. Better is post-COVID syndrom, because the virus has been eliminated and not staying for long but the situation remains post infection.

Secondly, the majority of burden is caused by CNS/brain dysfunction, especially a form of neurotransmitter depletion, and not due to peripheral autonomous imbalance. And the former is a much more difficult therapeutic target: in my experience incurable for ever but also quite more rare that it is shown in the media.