mRNA vaccines face their first test in the fight against Covid-19. How do they work?
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Messenger RNA may not be as famous as its cousin, DNA, but it’s having a moment in the spotlight. This crucial intermediary in the protein-making process is now being harnessed by scientists
to to try to protect us from disease — including Covid-19.
Companies like Moderna and Pfizer are working on mRNA vaccines that allow people to build immunity to viruses like SARS-CoV-2, the coronavirus that causes Covid-19. These vaccines contain
specifically designed mRNA that instructs cells how to make viral proteins. Find out how mRNA vaccines can trigger immune cells, in this video.