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.
