Understanding COVID-19 mRNA Vaccines - National Human …
https://www.genome.gov/about-genomics/fact-sheets
WebAug 30, 2021 · Messenger RNA (mRNA) is a molecule that encodes a sequence that can be made into a protein. Scientists first learned about mRNA nearly 60 years ago, and researchers have been studying vaccines using mRNA for decades. The earliest COVID-19 vaccines authorized for use in the United States by the Food and Drug Administration (FDA) are mRNA vaccines.
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