This is mainly a cardiovascular disease and it does different things to it which produces a vastly different symptoms for everyone.
Some immune systems canāt fight it off, so it seems to linger in the body for a while after the acute phase.
It also seems to act like HIV, in a sense that it aggressively attacks/kills your CD4 t-cells. The Chinese published a few papers on the matter in 2019/2020, which would mean that every time you catch it those are depilated further, so at least try not to get it twice in a year.. I dunno.
There is also ton of data from first sars 1 outbreak with people having long term symptoms, but no one cared.
Its very toxic, stay away from it. The cunning part is that you see how most people are ok, and you think you will be okay as wellā¦