The Astra-Zeneca “cheap and easy to store” “workhorse” vaccine causes blood clots in general, and in particular clots in the venous sinuses of the brain, which have killed or wounded a number of people, especially women under 55. …
The J and J vaccine was also associated with blood clots in the clinical trial data presented to FDA. Both vaccines use an adenovirus vector to deliver DS DNA that codes for spike protein, and human cellular machinery produces this protein, for an uncertain period of time in uncertain quantities. So blood clotting may be due to the adenovirus vector, or to the spike protein, or to something entirely different.
The mRNA vaccines use mRNA to code for the spike, also using cellular machinery to produce the spike protein. The end result of all 4 vaccines is similar, and again, we do not know for how long the body makes this protein.
If the spike itself induces clotting, which is a reasonable hypothesis scientists have put forth, but is unproven, then all 4 vaccines would be thrombogenic (induce clotting). Dr. Patrick Whelan tried to warn the FDA about this possibility, but was ignored. He wrote:
Meinhardt et al. (Nature Neuroscience 2020, in press) show that the spike protein in brain endothelial cells is associated with formation of microthrombi (clots), and like Magro et al. do not find viral RNA in brain endothelium. In other words, viral proteins appear to cause tissue damage without actively replicating virus.
Is it possible the spike protein itself causes the tissue damage associated with Covid-19? Nuovo et al (in press) have shown that in 13/13 brains from patients with fatal COVID-19, pseudovirions (spike, envelope, and membrane proteins) without viral RNA are present in the endothelia of cerebral microvessels.
This is frightening information, providing a strong hint of the spike protein’s potential toxicity. …UPDATE April 7: A reader pointed out this article in the comments, which provides experimental evidence that spike protein activates platelets and enhances blood clotting. It was published in September, and 20,000 people have accessed it online. I’d wager that all the vaccine safety experts at the FDA, EMA and WHO have read it. Their silence about the potential for thrombosis inherent in all the spike protein-based vaccines has been deafening. Certainly no one mentioned this information at any of the VRBPAC meetings, held to authorize the Covid vaccines.