Mr Morrison on Friday said he expected state and territory governments to uphold the agreement to ease restrictions when vaccinations reached 70 and 80 per cent of people aged 16 and over.

The national deal appeared to fray on Friday as state and territory leaders questioned details of the roadmap to reopening and called for Covid case numbers to be considered in addition to vaccinations before the nation emerges from lockdowns.

However, Mr Morrison on Friday stood firm on the deal, agreed at national cabinet earlier this month. The four-step reopening plan says a state can ease restrictions once it reaches a 70 per cent vaccination rate, and when the national average hits the same figure.

Once the figures reach 80 per cent, lockdowns would be limited even further.

Mr Morrison said he expected states and territories would stick to the plan, saying they had made a deal with the public.

"We've said to Australians, 'You do your part, we'll do ours'," he said.

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Asked whether the government would withhold financial support to states and territories that went into lockdown while having vaccination rates at 70-80 per cent, the prime minister said: "I expect the states and territories to live up to the plan that they've agreed to."

Mr Morrison will meet with state and territory leaders on Friday afternoon, when they will discuss exemptions for vaccinated people and the youth vaccination program.

However, no resolutions are expected at the meeting today.

ACT Chief Minister Andrew Barr this afternoon flagged he would seek clarification about the vaccination targets drawn from the Doherty Institute modelling.

Mr Barr said he wanted to ensure the targets referred to the point at which vaccines became effective, rather than when they were administered.

"We know, and every chief health officer around the nation has been saying this repeatedly, but maybe not enough politicians have been saying this: the vaccine is not immediately effective once it's jabbed into your arm," he said.

"It takes several weeks for it to reach effectiveness; that applies to both the first and the second dose. So when we talk about 70 or 80 per cent, we must talk about when the vaccines become effective, not just the moment the jab goes in your arm. Targets are not reached on the day of vaccination. It takes time."

He also said he would raise the issue of childhood Covid vaccinations at the national cabinet meeting, saying state and territory leaders needed to consider the rollout of a safe and effective vaccine for people under 16.

"There are a range of very significant issues that need to be considered here. There won't be outcomes on this from today's meeting, but it is a very important issue that we know are on the minds of so many Canberrans and Australians," Mr Barr said.

Mr Barr said improved treatments for COVID-19 were an important factor in considering how restrictions would be used in the future.

"If we can treat people and avoid severe illness, combined with protecting them from getting the disease in the first place, that combination of factors can make a big difference to the public health settings you have in place," he said.

"But people do need to understand what the Doherty report says, and it doesn't say freedom day and no public health restrictions come into place at 70 or 80 per cent."

More than 51 per cent of the nation have had their first Covid vaccine dose and 28.9 per cent have had both doses, Mr Morrison said.

The ACT is leading the nation, recording 57.5 per cent of people in the territory receiving their first dose.

Federal Health Minister Greg Hunt said the number of Australians fully vaccinated would pass 6 million today. For the group of people aged over 70, he said 84.6 per cent of people had received at least one dose.

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