People with Long COVID May Still Have Spike Proteins in Their Blood: A possible biomarker for long COVID suggests some people with the condition never fully cleared virus; spike from vaccine or virus!

Our argument is that the spike protein induced by the COVID gene injection to drive the immune response, produces devastating symptoms and conditions e.g. endothelial pathogen, akin to the virus spike

https://www.scientificamerican.com/article/people-with-long-covid-may-still-have-spike-proteins-in-their-blood1/