This paper from two years ago answers a lot more questions about how mRNA vaccines work, how long the mRNA stays active, how to prevent runaway infection, etc.

This paper from two years ago answers a lot more questions about how mRNA vaccines work, how long the mRNA stays active, how to prevent runaway infection, etc. https://www.nature.com/articles/nrd.2017.243 https://www.nature.com/articles/nrd.2017.243