I am not a Doctor but I do trust the research Kennedy does more than the FDA or CDC.  Below is an article from professionals perhaps that will shed some light. https://phys.org/news/2020-01-rna-effect-dna.html We really know so little about how all of this works.  What science does not understand they call "junk" DNA but because of our Hubris we are messing with the very structure of our life and we have no business doing it.  We don't even know if the changes will be passed onto future generations.