In 1906, George Soper, a freelance sanitary engineer, was hired to investigate several outbreaks of typhoid fever in wealthy New York households.  The reason why it was mysterious is that typhoid fever usually only occurred in places with unsanitary conditions. What Soper discovered radically changed our knowledge of infectious diseases and how they spread.  Learn more about Typhoid Mary and how she was discovered on this episode of Everything Everywhere Daily. Sponsor If you’re looking for a simpler and cost-effective supplement routine, Athletic Greens is giving you a FREE 1 year supply of Vitamin D AND 5 free travel packs with your first purchase. Go to athleticgreens.com/EVERYWHERE.  Subscribe to the podcast!  https://link.chtbl.com/EverythingEverywhere?sid=ShowNotes -------------------------------- Executive Producer: Charles Daniel Associate Producers: Peter Bennett & Thor Thomsen   Become a supporter on Patreon: https://www.patreon.com/everythingeverywhere Update your podcast app at newpodcastapps.com Discord Server: https://discord.gg/UkRUJFh Instagram: https://www.instagram.com/everythingeverywhere/ Facebook Group: https://www.facebook.com/groups/everythingeverywheredaily Twitter: https://twitter.com/everywheretrip Website: everywhere.com/">https://everything-everywhere.com/ Learn more about your ad choices. Visit megaphone.fm/adchoices