Autism, seizures, and overloaded immune systems - could these really be side effects of vaccines? From the archives, we bring back our dive into the science to find out how safe vaccines really are. We spoke to public health researchers Prof. Dan Salmon and Prof. Amy Kalkbrenner and neurologist Prof. Ingrid Scheffer. Check out the full transcript here. Selected References:The National Academies (aka Institute of Medicine) report on vaccine safety A report on the genetic underpinnings of epilepsyThis study looked for neurologic disorders after the MMR shot in half a million kidsThis one looked at all children born in Denmark between 1991 and 1998Credits: This episode has been produced by Heather Rogers, Wendy Zukerman, and Shruti Ravindran. Production help from Rose Rimler. Our senior producer is Kaitlyn Sawrey. We’re edited this week by Blythe Terrell and Annie-Rose Strasser. Fact checking by Michelle Harris, with help from Rose Rimler. Sound design by Martin Peralta. Music written by Bobby Lord. For this episode we also spoke with Dr. Saad Omer, Dr. Neal Halsey, Dr. Paul Offit, Dr. Frank DeStefano, and Prof. Alison Buttenheim. And an extra thanks to Bonnie Stanway, Ivona Stamatoska, Reese and Walter Ludwig, the Zukerman Family, Joseph Lavelle Wilson and - of course! - Leo Rogers.