Health

What are mRNA vaccines and how useful will they be?

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What are mRNA vaccines and how useful will they be?

An artist’s representation of a T-cell (blue) attacking the new coronavirus

Iliescu Catalin/Alamy

A collective wave of excitement swept around the world when their coronavirus vaccine trial last week. Now, biotechnology firm . These are no ordinary vaccines: they could be the first messenger RNA (mRNA) to be approved. If this technology lives up to its promise, it could bring huge benefits for healthcare, not just for tackling the coronavirus.

“Part of the reason why the results from Pfizer are so exciting is that nobody has ever shown in humans …