The idea that COVID-19 vaccines are linked to sudden deaths among young people has no scientific support, but the theory nevertheless has a lot of traction on social media.  How can public health officials educate the public—especially on subject like vaccines, where their effectiveness renders them effectively invisible?  Guest: Katelyn Jetelina, epidemiologist and data scientist Host: Lizzie O’Leary If you enjoy this show, please consider signing up for Slate Plus. Slate Plus members get benefits like zero ads on any Slate podcast, bonus episodes of shows like Slow Burn and Dear Prudence—and you’ll be supporting the work we do here on What Next TBD. Sign up now at slate.com/whatnextplus to help support our work. Learn more about your ad choices. Visit megaphone.fm/adchoices