LATEST COVID-19 DEVELOPMENTS:
* The first Australian case of a potentially more contagious South African variant of COVID-19 has been detected in Queensland.
* Chief Health Officer Jeannette Young says the case involves a woman who arrived on December 22 and was immediately placed into hotel quarantine.
* Health Minister Yvette D'Ath says she is absolutely confident all proper measures were taken in relation to the case.
* Premier Gladys Berejiklian says NSW is still not out of the woods, with three new local cases diagnosed without immediate links to the northern beaches cluster.
* One of the cases lives in Wollongong on the state's south coast, though they had recently spent time in Sydney. The others live in the inner west and north of Sydney. They are under urgent investigation.
* Three cases linked to the Avalon cluster were diagnosed from 16,329 tests in the 24 hours to 8pm Monday. It now stands at 129 cases.
* Twelve people have been fined over a Pyrmont wedding reception on Sunday after police discovered a number of guests and possibly the bride and groom were from Sydney's northern beaches. Police say more penalties are expected.
* Federal Immigration Minister Alex Hawke is threatening deportation after a party hosted on Christmas Day at Bronte Beach, where the crowd breached social distancing and other rules imposed due to the northern beaches outbreak.
* A 25-year-old crewman aboard cattle export vessel Diamantina, which arrived in Darwin from Indonesia, has tested virus positive. He has been admitted to Royal Darwin Hospital and is in isolation.
* Victoria has gone 60 days without coronavirus community transmission and there are seven active cases in the state.
* Unless they've already booked a restaurant or venue, Victorians are being urged not to venture into Melbourne's CBD to celebrate New Year's Eve.
* Security at Western Australia's quarantine hotels will be bolstered after a review sparked by the escape of a woman who failed to complete 14 days in supervised isolation.
AUSTRALIAN CORONAVIRUS NUMBERS:
* There were 12 new coronavirus cases recorded in Australia: nine in NSW, two in Queensland and one in the Northern Territory.
* The national death toll is 909: Victoria 820, NSW 56, Tasmania 13, WA 9, Queensland 6, SA 4, ACT 3. (Two Queensland residents who died in NSW have been included in the official tolls of both states).
GLOBAL CORONAVIRUS NUMBERS:
* Cases: at least 81,673,086
* Deaths: at least 1,781,539
* Recovered: at least 57,799,127.