A sleepy suburb in Brisbane is the scene of a gruesome disease outbreak, where the streets literally run with blood. Unravelling the mystery of where this disease comes from will have far-reaching implications — and help us track down the origins of COVID-19.Guests:Dr Peter ReidEquine vetA/Prof Linda SelveyPublic health physician and epidemiologist at the University of QueenslandDr Kim HalpinVeterinary virologist at the CSIROHelen ThomasJournalist, horse-racing commentator, and authorProf Linfa WangDirector of the Emerging Infectious Diseases Program at Duke-NUS Medical School in SingaporeHost:Olivia WillisProducers:Jane Lee, Cheyne AndersonSenior Producer:Carl SmithExecutive Producer:Joel WernerSound Design:Tim Jenkins