LATEST COVID-19 DEVELOPMENTS:
* There were no new locally acquired COVID-19 cases recorded across Australia on Sunday.
* Treasurer Josh Frydenberg insists Australia is still on track to receive the Pfizer COVID-19 vaccine from February, as new figures suggest people are more than happy to get their jab.
* Health Minister Greg Hunt believes new immunisation figures show Australians have faith in the Therapeutic Goods Administration (TGA) to provide expert advice and ensure the safety and efficacy of all vaccines provided to the community.
* NSW recorded a full week without new locally acquired COVID-19 cases on Sunday, as interstate travel restrictions on the state's residents began to ease.
* NSW Health reiterated that testing rates remain too low and encouraged NSW residents to seek testing with even the mildest of symptoms.
* Victoria's latest COVID-19 case is not linked to the Australian Open, as the state basks in its 18th straight day without reporting a new locally acquired infection.
* The case was detected in a man in his 40s, with COVID-19 Quarantine Victoria confirming he is not a member of the nearly 1000-strong cohort of Australian Open players, support staff and officials.
* A reclassified case among the tennis contingent has whittled down the total associated with the event to nine.
* Western Australia detected two new cases in hotel quarantine, both involving men and related to international travel.
* Queensland, South Australia, Tasmania, the Northern Territory and Australian Capital Territory all recorded no new cases.
* An extra women's tennis tournament catering for players serving 14-day hard lockdowns in Melbourne is set to be added to the calendar ahead of next month's Australian Open.
AUSTRALIAN CORONAVIRUS NUMBERS:
* There were six new virus cases recorded in Australia on Sunday: three in NSW, two in WA and one in Victoria. All were diagnosed in hotel quarantine.
* 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 98,747,000
* Deaths: at least 2,120,000
* Recovered: at least 54,436,000.
Data current as of 1830 AEDT on January 24, taking in federal and state/territory government updates, Johns Hopkins Coronavirus Resource Centre figures.
Australian Associated Press