Dr. Doug Corrigan has written two stories about COVID vaccines permanently altering DNA:
Will an RNA Vaccine Permanently Alter My DNA?
“Instead, the vaccine provides your cells with instructions on how to build the Spike protein. Essentially, your cells have become the vaccine production factory”
And more recently
MIT & Harvard Study Suggests mRNA Vaccine Might Permanently Alter DNA After All
“If our cells become permanent (rather than temporary) Spike Protein producing factories due to permanent alteration of our genomic DNA, this could lead to serious autoimmune problems”