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Penn mRNA scientists Karikó and Weissman win Nobel Prize
Tom Avril, Sarah Gantz, and video by Lauren Schneiderman
Nobel Prize in medicine awarded to scientists who laid foundation for messenger RNA vaccines
Carolyn Y. Johnson, Washington Post
Americans can now get an updated COVID-19 vaccine
Americans can now get an updated COVID-19 vaccine.
Mike Stobbe and Lauran Neergaard, Associated Press