The SARS-CoV-2 virus first infected humans in November or December 2019. SARS-CoV-2 causes the disease COVID-19. With 118,000 cases and 4000 deaths globally, the World Health Organisation (WHO) declared a global pandemic on 11 March. Unfortunately by late April over 3 million confirmed COVID-19 cases and > 220,000 deaths were reported worldwide. COVID-19 has disrupted the normal function of societies around the world, on a scale not seen before. At the time of writing there are international travel restrictions in place and many countries, including Australia, have restrictions on domestic travel between regions.
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