- Katalin Karikó and Drew Weissman win 2023 Nobel Prize in Medicine — The highest honor was bestowed for foundational discoveries that gave the world a vaccine to fight the COVID-19 pandemic https://penntoday.upenn.edu/news/katalin-kariko-and-drew-weissman-penns-historic-mrna-vaccine-research-team-win-2023-nobel 2 comments europe