Meantime, there were no new infections recorded in Victoria overnight.
9News understands the person was a woman in her 70s, who was cleared of the virus in late September. The state recorded zero new case of the virus in the past 24 hours, with one death of a previously cleared case, the Victorian health department said in a statement on Monday.
Victoria has recorded its first coronavrius death in more than a month following 31 consecutive days of zero cases.
However, because she did not make a full recovery from the original infection, her death is considered COVID-19 related.
Australia's death toll now stands at 908.More news: Christian Pulisic On Bench - Chelsea Team vs Tottenham Hotspur Confirmed
Victoria's health department said the woman had initially been diagnosed in late July.
The woman's death is the first coronavirus-related death since two deaths announced on 28 October.
Almost 6000 people were tested in the past 24 hours but Victoria is still free of COVID-19.
Two states - Victoria and Tasmania - don't have any active cases.
Victorian public servants will continue to work from home.More news: Smith ends it quickly in upgraded UFC bout
That will change from Monday, with workplaces welcoming 25 per cent of their staff back on site.
It means businesses with fewer than 40 staff can have 10 on-site, as long as they comply with prescribed density limits.
Masks are still mandatory for Victorians when out in public and travelling on public transport.
NSW lifted restrictions for Victorian travellers on Monday, while Queensland and South Australia will reopen thier borders from December 1.
Today's numbers come as tensions rise over border closures between Victoria and Western Australia.More news: `I don`t think he`ll be available`: Aaron Finch on David Warner`s injury
Those who live in or visited Geelong's northern suburbs and Lara between November 21 and 23 should seek testing if they experience any respiratory symptoms.