related_tweet: @kadamsanderton @rreedsing @utahjess1111 @schotthappens to be clear katie, i'm not suggesting in any way that crispr is or will be used in a vaccine. you sounded like tweaking dna is something we "just don't do," but that's incorrect. we have. to like 15 people. unlike mrna which has been studied for 40 years, gene therapy is too now