Now that kids as young as 12 are eligible for the Pfizer vaccine, parents had questions about how it could affect younger bodies. On today's show, Brianne Barker, virologist and immunologist, associate professor of biology at Drew University, and co-host of the podcast This Week in Virology, talks about the science behind the decision and answers questions from parents of kids in that age group, plus anyone still weighing their options for vaccination against COVID-19.