>>14234077The benefit is, the mrna goes inside the cell and makes it produce it‘s own antigen- just like a virus infection. This way the body not only reacts to the antigen itself, but also to infiltrated cells, which makes the vaccination more effective. On top of that, mrna degrades quickly over time, removing any potential harmful effect of the vaccination- except for potential risks by the immune system itself.
All this provided ofc this was a legitimate question