Smallpox: An act of biological warfare in 1789 ?

ABC Radio National 'Ockham’s Razor'

An outbreak of smallpox in Sydney in 1789 killed thousands of Aborigines and weakened resistance to white settlement. Chris Warren argues that the pandemic was no accident, but rather a deliberate act of biological warfare against Australia’s first inhabitants.

http://www.abc.net.au/radionational/programs/ockhamsrazor/was-sydneys-smallpox-outbreak-an-act-of-biological-warfare/5395050