It has been studied since the early 90's at the latest, possible the 80's. New is a relative term. Vaccine side effects are not that long term.
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I wonder why don't you give links to those studies that don't exist :)
It would require more effort than I am willing to put in. I. Too busy to spoon feed you an education. Especially when this is such readily available information.
Especially when you obviously side step real information to find conspiracy sources and "alternative news" instead of real sources.
