Study finds at least 220,000 Indigenous Australians died during early outbreak Nine.com.au Sydney’s 1789 smallpox epidemic came from the First Fleet and killed up to 220,000 Indigenous Australians: new research The Conversation Stochastic models indicate rapid smallpox spread and mass mortality of Indigenous Australians after colonial exposure Nature Smallpox Scabs That British Doctors Used to Inoculate Patients May Have Introduced the Deadly Disease to Australia, New Research Suggests Smithsonian Magazine