Disease is spreading in the wake of a natural disaster on the Caribbean nation of Haiti — and everyone thinks they know where it's coming from… (Spoiler: They don't).

Guests:Jonathan M. KatzFreelance journalist and author, The Big Truck That Went ByDr Louise IversExecutive Director, Massachusetts General Hospital Center for Global Health; Associate Professor of Global Health and Social Medicine, Harvard Medical SchoolNelson Junior CeranorHost:Olivia WillisProducers:James Bullen, Cheyne AndersonExecutive Producer:Joel WernerSound Design:Tim Jenkins