South Australia and the Northern Territory reported no new COVID-19 cases over the weekend, while Queensland said it had no new cases in 24 hours.
Crowds turned out in force on Australia's Bondi Beach despite advice to practice social distancing.
The 'Wrecking Ball' singer was due to headline the World Tour Bushfire Relief charity concert in Mebourne on Friday - but without her, organisers have decided to cancel it.
Pop star Miley Cyrus has cancelled a trip to Australia for a bushfire relief concert three days ahead of the show, citing recommendations that travel be curtailed to counter the spread of the global coronavirus epidemic. Cyrus, 27, who rose to fame with global hits like 'Party in the USA' and 'Wrecking Ball', was set to be the headline act for a concert on March 13 in Australia's second-largest city, Melbourne, which the organisers have now called off. All proceeds from the show were to go to Australian charities aiding relief efforts following a devastating bushfire season which destroyed nearly 12 million hectares (30 million acres) of bushland, killing 33 people and an estimated one billion native animals.
The breakthrough will reportedly allow for accurate investigation and diagnosis of the virus globally.
Increasing numbers of the unique animal are becoming stranded as rivers dry up, according to new research.
Wellwishers have been warned that trying to save koalas in bushfire-ravaged areas may actually be doing more harm than good.
Benjamin Jones, a lecturer in history at Central Queensland University, said Prince Harry and Meghan Markle's decision to step back from the monarchy was a "gift to republicans".
"This is climate war," Yael Stone amid the bush fires in her homeland. "And for the first time, our enemy is not wearing a uniform that we'll be able to recognise. Our enemy is our own behaviour."