Contrary to Collins’ previous assertion, the mRNA did not disappear in “a few hours,” a few days, or even a few weeks. In fact, mRNA from the vaccine persisted in a person’s lymph system some two months after vaccination. We actually don’t know how much longer it lasted because the researchers only tracked the mRNA for that long."
https://thefederalist.com/2022/02/25/if-he-wasnt-a-swamp-cre...