What we get wrong about vaccine hesitancy
from Science Friday Hosted by Flora Lichtman, Shoshannah Buxbaum, Elisabeth Marnik
President Trump has signed an executive order calling for a change to the childhood vaccination schedule. Specifically, he wants to separate the MMR vaccine, which protects against measles, mumps, and rubella, into three separate shots. There’s no scientific research to indicate that these changes would be beneficial, and the order has sparked backlash from medical associations and drug manufacturers. Meanwhile, over 2,400 people have contracted measles in the United States so far this year, topping the total number of cases for 2025 in just seven months. And with vaccination rates declining, there’s a lot of conversation about what’s driving vaccine hesitancy and how to combat misinformation. Elisabeth Marnik has lived in both worlds: She wasn't vaccinated as a kid because her parents were concerned that vaccines could do harm. In high school, she fell in love with science. She went to college, got vaccinated, and then earned a PhD in immunology. She joins Flora to talk about what people misunderstand vaccine hesitancy, and how she approaches science communication in today’s messy information ecosystem. Guest: Dr. Elisabeth Marnik is an immunologist and the executive director of The Evidence Collective. Transcripts for each segment will be available the week after the show airs on sciencefriday.com. Subscribe to this podcast. Follow us on socials @ scifri on YouTube, Instagram, Facebook, TikTok, and Bluesky and sign up for our newsletters. Got a science question that’s keeping you up at night? Call us: 877-472-4374
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What this episode covers
An immunologist who's been on both sides of vaccine hesitancy talks about what drives it, what gets missed, and how to build trust.
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