To be clear, it's not translated into the final antibody, but it remains present in the vaccine, and hence in your body - it is what gives the vaccine structura

To be clear, it's not translated into the final antibody, but it remains present in the vaccine, and hence in your body - it is what gives the vaccine structural stability in the body. ...and yes, it is standard - it is not covid-vaccine specific. This is all covered in This Week in Virology - one of the recent episodes about 3 months ago.