And for a decent percentage, mRNA gene therapies known now by the false monicker of "vaccines." They changed the definition, that's why. And, I am stuck in the old definition.
Altered messenger ribonucleic acid in T-cells categorically can't change the organism's (in this case, a human's) deoxyribonucleic acid (DNA). RNA, structurally, has different nucleotide base-pairs.