Vaxx Facts: How does an mRNA vaccine work?

In this “Vaxx Facts” video, Pat Winokur, MD, executive dean for the Carver College of Medicine and principal investigator for UI Health Care’s Pfizer-BioNTech COVID-19 vaccine clinical trial, explains what an mRNA vaccine (like Moderna or Pfizer-BioNTech) is and how it protects your body against the coronavirus.

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