Robert F. Kennedy Jr.’s vaccine policy changes aren’t making America healthy again, the Opinion writer David Wallace-Wells and the economist Emily Oster argue in this episode.

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This episode of “The Opinions” was produced by Jillian Weinberger. It was edited by Alison Bruzek and Kaari Pitkin. The rest of the show's production team includes Derek Arthur, Vishakha Darbha and Kristina Samulewski. Mixing by Carole Sabouraud. Original music by Sonia Herrero, Pat McCusker and Carole Sabouraud. Fact-checking by Mary Marge Locker. Audience strategy by Shannon Busta and Kristina Samulewski. The director of Opinion Audio is Annie-Rose Strasser.