All vaccines can potentially cause "dangerous antibodies" because they have adjuvants that cause your immune system to go into overdrive. This can cause your immune sustem to start attacking your own body.
But that does not explain why the heart would be far more likely to get attacked than other tissue.
The more likely cause is the "vaccine" entering the bloodstream and infecting heart cells, which then produce spike protiens. This explains why blood clots and heart damage are the most common problems. The blood clots are caused when spike protiens get stuck in the cell walls of arteries making them rough which causes coagulation.
Traditional vaccines contain adjuvants to wake up the immune system that would otherwise ignore the dead virus components. Only the "protein subunit" vaccines contained pieces of the virus (Novavax). mRNA vaccines try to hide the mRNA payload from the immune system until the lipids enter the cells.
Blood clots are created by antibodies (search term "vaccine induced thrombotic thrombocytopenia", VITT).
That is just wrong. The mRNA shots also have adjuvants that shock the immune system.
The blood clots causes by this treatment have been worse than any other vaccine indicating that it is not the same pathology.
The mRNA has to reach the cells under the radar of the immune system. The cells that produce the spike proteins alarm the immune system by themselves, like they do with every other alien protein.
The blood clots caused by the virus are a reaction to damaged blood vessels (infected endothelial cells and cells damaged by spike proteins). The blood clots caused by the vaccines are caused by antibodies that attach at platelets at a spot that triggers their aggregation.
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