SciFriday: The Great Vaccine Race

About 300 competitors around the world are racing to be the first to demonstrate an effective vaccine against SARS-CoV-2, the virus behind COVID-19.

Sharon explains why no DNA or RNA vaccine has been approved after 40 years of research, and we remind you of why, although there are other reasons to be concerned about a vaccine that’s rushed into production, an RNA vaccine cannot change the DNA in your body. The most important question: Can an effective vaccine even be developed against a rapidly mutating RNA virus?

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