Teenagers could soon be able to receive their COVID-19 booster in a matter of days after a third dose for 16 and 17-year-olds was approved by the medical regulator.

It comes as Australia recorded its deadliest days of the pandemic, with 92 fatalities reported on Friday.

As the number of people who have received a booster continues to rise, eligibility is set to expand to 16 and 17-year-olds, following provisional approval of the Pfizer booster for the age group.

Health Minister Greg Hunt said final approval still needed to be handed down by the country's leading vaccine advisory group, which could be green lit soon.

"We are hoping to receive the ATAGI advice within the next week, if not earlier, and if that's a positive, we can make this available immediately," he told reporters in Canberra on Friday.

There were 39 deaths in Victoria and 12,755 new cases on Friday, while NSW registered 13,333 cases and 35 fatalities.

There were also 18 deaths and 9974 cases in Queensland, while Tasmania had 584 cases and no deaths.

While COVID-19 cases are plateauing, the country's chief nursing and midwifery officer, Professor Alison McMillan, said death rates were set to remain high for some time.

"As we have seen during the two years of the pandemic, the number of deaths associated with those cases stay higher for a longer period," she said.

"There is a delay in the number of deaths, sadly, we have seen quite a number of deaths."

The high fatality rate has prompted a renewed emphasis on booster shots, with two-thirds of the eligible population now having received their third dose.

The eligibility between the second and third doses is set to be lowered from four months to three months from Monday, however, many states and territories have reduced the time frame ahead of schedule.

While NSW Health Minister Brad Hazzard said people who had recently acquired COVID-19 should wait for four to six weeks after their infection to get the booster, Professor McMillan urged for people to get the third dose sooner.

She said people would be able to get their booster immediately after they stopped displaying COVID-19 symptoms.

"We know that an initial infection does potentially provide you with a small amount of protection from COVID, but we really don't yet know how much," she said.

"But we do know that the booster will provide you with high levels of protection against severe disease and death."

With large numbers of aged care facilities across the country being affected by the Omicron wave of COVID-19, Prime Minister Scott Morrison defended the government's handling of COVID in the sector.

He said about 86 per cent of aged care facilities had received visits for booster shots.

The prime minister also defended Aged Care Minister Richard Colbeck, after it was revealed he chose to attend the cricket over a COVID-19 committee hearing when 40 per cent of the system was in lockdown.

While Senator Colbeck said he couldn't attend the hearing due to diverting resources away from "urgent and critical work", his register of interests showed he accepted tickets to the Ashes test in Hobart for three days.

"Ministers have many responsibilities, I can understand the criticism ... I think Richard has taken that on board," Mr Morrison told radio station 4BC.

"I know what he does each and every day or the welfare of people living in our residential aged care facilities, and he'll take the criticism on the chin and he'll get back to work."

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Calls are growing for Premier Annastacia Palaszczuk to order a probe into integrity, with the Liberal National Party saying corruption "is running through the government".

LNP leader David Crisafulli and the Katter's Australian Party want a royal commission after the departure of three statutory officers, two of whom said the government had interfered in their roles.

Integrity Commissioner Nikola Stepanov and Crime and Corruption chairperson Alan MacSporran both resigned this week, while former state achivist Mike Summerell revealed he was forced out by the government in March.

Mr Crisafulli says it's the state's biggest integrity crisis since the fall of the Bjelke-Petersen government 30 years ago.

The LNP leader has written to Ms Palaszczuk asking her to call for a royal commission.

"Anything short of a Royal Commission doesn't cut it," Mr Crisafulli told reporters on Friday.

"Only a royal commission will get to the bottom of the corruption that is running through the government."

The call for a probe comes after former state achivist Mike Summerell revealed he was forced out after being "greatly hindered" by "potentially inappropriate interference".

He unexpectedly left his role in March, hours after the LNP asked him to probe whether Premier Annastacia Palaszczuk used any of her private emails, which he was holding, for official government business.

Mr Summerell says his role became "compromised" by potential government interference, including a lack of support and legal advice.

"My time as State Archivist post 2017 was greatly hindered by what I considered potentially inappropriate interference in my statutory role," he told News Corp on Friday.

At the time of his departure, Arts Minister Leanne Enoch said the archivist's five-year contract had run out, and he had decided not to renew it and move to New Zealand.

However, Mr Summerell said that is not what happened.

"I did not actually resign, I was simply told my contract would not be extended," he said.

"My own opinion is that my stance on matters of integrity and the independence of the office of the State Archivist were primary factors in that decision."

Mr Summerell supports an inquiry into the government's integrity, which is also backed by the LNP, crossbenchers, the Queensland Council of Civil Liberties, and the outgoing Integrity Commissioner.

Earlier this week, Dr Stepanov said the Public Service Commission defunded her office and reduced its staff.

The commissioner also alleged that last year the PSC seized a laptop from her office and wiped its contents without her "knowledge or consent".

QCCL president Terry O'Gorman said the CCC was not in a position to investigate the "extraordinary allegation" about the laptop when it was effectively leaderless following Mr MacSporran's resignation.

He said the watchdog would take too long, and the public had lost confidence in it following a spate of botched probes last year.

Premier Palaszczuk has downplayed the Integrity Commissioner's resignation, saying that "people change jobs all the time".

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Prime Minister Scott Morrison has "not raised any issue" about his awkward encounter with former Australian of the Year Grace Tame at The Lodge earlier this week.

Ms Tame stood stony faced during a photograph with the prime minister and appeared reluctant to shake his hand at a morning tea for Australian of the Year finalists.

Ms Tame has been a vocal critic of the prime minister's and the government's handling of women's safety issues.

In his first public comments since the incident, Mr Morrison said he supported her advocacy and work during her tenure as Australian of the Year.

"When Jenny and I invite someone to our home, we greet them with a smile and they're always welcome, and that day was actually about all the finalists we came to celebrate," Mr Morrison told radio station 4BC on Friday.

"I haven't raised any issues about (the incident) - all I'm saying is we were there that day to celebrate those who had done an incredible job for our country."

Ms Tame had widespread support online following the incident, however she attracted criticism from some in the government, with one LNP senator calling it "childish".

Environment Minister Sussan Ley would not say whether the comments from her parliamentary colleagues were out of line, but added people were free to speak their mind.

"Grace Tame is a force of nature and being a leader for many women across Australia," she told ABC TV.

"The prime minister has done more for the issues of women than any other prime minister I have ever worked for, and in any other government."

The government came under intense criticism for its handling of the alleged 2019 rape of former Liberal staffer Brittany Higgins in a federal minister's office, which became public last year.

Ms Tame said the government "doesn't get it", following its subsequent failure to pass all legislative reforms recommended by Sex Discrimination Commissioner Kate Jenkins.

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New funding to protect the Great Barrier Reef will "back in" scientists to help preserve the natural wonder, according to the prime minister.

It comes after the federal government will spend $1 billion over the next nine years to help manage the reef, after the Commonwealth successfully lobbied UNESCO to delay a decision listing the site as "in danger".

Of the $1 billion funding, almost $580 million will go towards working with land managers to remediate erosion and improve land condition, while more than $250 million will be spent reducing threats from crown of thorns starfish and prevent illegal fishing.

Prime Minister Scott Morrison said the funding would help to keep the Great Barrier Reef off endangered lists.

"The reef is one of the great natural wonders not only of Australia, but the world, but it's also an important livelihood for everybody up in far north Queensland," he told radio station 4BC on Friday.

"We've been able to ensure that the reef not only remains protected, despite the many environmental challenges to the reef, but to ensure that its status has been able to be preserved."

The $1 billion funding will also provide $92 million for research to make the reef more resilient and boost adaptation strategies.

Traditional owners and community groups will receive $74 million for projects to deal with species protection, habitat restoration and citizen science.

The funds come on top of $2 billion previously given to agencies including the marine park authority and the Australian Institute of Marine Science.

Mr Morrison said the money was targeted to ensure it has the great impact in protecting the reef.

"There's a lot of work going on up there, and we've got the best reef scientists in the world and we've got the best reef managers in the world," he said.

"What we're doing is we're backing them in to ensure that they can do best possible job."

The funding comes after the federal government lobbied UNESCO to delay a decision about listing the reef as "in danger" until 2023.

Australia took diplomats on a diving trip as part of its bid to convince countries to vote against an earlier draft recommendation supporting an "in danger" listing.

Environment Minister Sussan Ley said the money would help protect the more than 64,000 jobs in Queensland that rely on the Great Barrier Reef.

"The biggest ever investment in any reef internationally will set us up, help build the most healthy and resilient reef in the face of climate change and all the other challenges we face," she told ABC TV.

Ms Ley said UNESCO officials had been invited back to examine the reef.

Environmental groups have welcomed the funding announcement for the reef.

The Australian Marine Conservation Society said legacy issues such as erosion and land condition was a gap that needed addressing.

"Given the health crisis the reef is facing and the slow progress in addressing water pollution to date, it's important this investment in water quality is front-loaded over the next three years," the society's water quality expert Jaimi Webster said.

"While this funding commitment will tackle some of the local threats our reef faces, it does not address climate change, the greatest threat to our reef."

© AAP 2022