COVID-19 vaccines: What is an mRNA vaccine and how does it work?

Dr. Kevin Brown is a consultant medical virologist working at Public Health England. His area of expertise is in vaccine-preventable viral infections and he has been a virologist for more than 30 years.

This is one of a series of explainer videos for the COVID-19 vaccination programme.
In this video he explains how mRNA vaccines help our bodies to produce antibodies which protect us.