Many people first learned about mRNA vaccines during the coronavirus pandemic, when the companies Pfizer-BioNTech and Moderna released their COVID-19 vaccines. The Pfizer-BioNTech shot was the first ...

What is an RNA vaccine? RNA vaccines, or messenger RNA (mRNA) vaccines, are a relatively new type of vaccine that delivers mRNA molecules to human cells, instructing them to produce specific antigens.

In two experiments, researchers have found that introducing people to "mental models" about how mRNA vaccination works and how the body protects itself from foreign DNA can preemptively or reactively ...

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