Nurses Who Vaccinate's Melody Butler swung by the podcast and threw down the gauntlet, challenging Nathan to a trivia duel. Who knows more about vaccines and their history? Listen to find out.

Thank you to our friends at Vaccine Education Center at Children's Hospital of Philadelphia for the questions. Play for yourself at https://www.chop.edu/centers-programs/parents-pack/play-just-vax-vaccine-trivia-game

Other sources include

History of Vaccines: https://www.historyofvaccines.org/

HPV and nuns (and a mythical creature): https://www.nytimes.com/2006/08/29/health/29hpv.html