New South Wales has recorded 825 locally acquired cases of Covid-19 and three deaths in the 24 hours to 8pm last night.
It's the highest number recorded by any Australian jurisdiction in a 24-hour period.
Of today's record cases, only 149 were linked to known cases or clusters.
The isolation status of 637 cases remains under investigation, while 58 were infectious in the community.
Three people have also died from Covid-19, bringing the total number of deaths during the Delta outbreak to 68.
A woman in her 90s from south-west Sydney became the 10th death linked to an outbreak at Liverpool Hospital, where she was a patient in the geriatric ward.
The other two deaths were men in their 90s and 80s from northern Sydney, who were residents of the Greenwood Aged Care in Normanhurst.
They were infected there by an unvaccinated employee.
The state's total number of fatalities since the start of the pandemic is 124.
NSW Premier Gladys Berejiklian said "everybody should get the vaccine now".
"Don't be fussy on the vaccine. Go forth and get your vaccine with any vaccine offered to you," she said.
"Please make sure you do it as soon as possible to protect you and your loved ones and make sure we get quicker to our goals."
NSW deputy chief health officer Marianne Gale said 16 people who attended a gathering in Maroubra last weekend had since tested positive for Covid-19.
"A number of their contacts have also tested positive," she said.
"Contact tracing and further testing is under way and I'd like to particularly ask residents of Maroubra, Malabar and the Matraville area to come forward for testing and isolate should you have even the mildest of symptoms."
There were 38 new cases in Western NSW, including 32 in Dubbo, two in Bathurst, two in Wellington and one each in Walgett and Narromine.
Meanwhile, the outbreak in the state's far west continued to grow, with 12 new infections in Wilcannia and two new cases in Broken Hill.
- ABC