Spotify's The Joe Rogan Experience podcast, which has an estimated 11 million listeners per episode, is rife with anti-vaccine pseudoscience and COVID-19 misinformation. Rogan, at the center of controversy after top-tier artists announced they would pull their catalogs from the streaming platform in protest, has suggested that healthy young people should not get vaccinated, claimed vaccines are unnecessary if you take ivermectin, said mRNA-based vaccines are “gene therapy,” and speculated that the vaccine contains microchips.