Factsheet: How mRNA COVID-19 Vaccines Work (English, Spanish)
Factsheet: How mRNA COVID-19 Vaccines Work (English, Spanish)
Date posted:
January 25, 2022
Last reviewed:
June 20, 2024
Centers for Disease Control and Prevention (CDC)
Factsheet provides information on what coronaviruses are, what mRNA is, what is in the COVID-19 vaccine, and how mRNA coronavirus vaccines work. Available in English and Spanish.
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