Gingergrrl
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Our theory that this is a severe immune response that very likely follows after the vaccine has been found. Together with Section for advanced thrombocyte immunology at the University hospital of Northern Norway (UNN) we have now proved specific antibodies against platelets, which can give a picture like this, which we recognize in other sections of medicine, but then with medication as the trigger, explains the chief physician.
What I don't understand is why would the AstraZeneca vaccine cause this reaction but the Pfizer, Moderna and J&J vaccines do not?
I have been studying these vaccines for months (trying to figure out if I can safely get one of them with my history of severe autoimmunity). All the research articles that I find explain why vaccines are extremely immuno-stimulatory and that they can cause severe autoimmune reactions in people with no history of autoimmunity AND they can worsen autoimmunity in people with a pre-existing history like me.
Some people do not know they are pre-disposed to autoimmunity but then a vaccine triggers a severe immune response with auto-antibodies (and in the cases that you are describing, it sounds like the auto-antibodies were against platelets and caused blood clots).
What I don't understand though, is why this would only happen with the AZ vaccine and not with Pfizer and the others? All of these COVID vaccines are extremely immuno-stimulatory. Does the AZ vaccine contain adjuvants? That is the only factor I could think of (adjuvants) that would make it more immuno-stimulatory than the others?