Labor has demanded a one-off $300 payment for any Australian fully-vaccinated before December.
Prime Minister Scott Morrison on Friday revealed new details of Australia's path out of COVID-19 restrictions, relying on a high vaccination uptake in each state and territory.
COVID-19 Taskforce Commander Lieutenant-General John Frewen was optimistic about Australians being offered vaccinations by the end of the year.
And in a bid to encourage Australians to come forward, Labor has called for $300 to be sent to any Australian to have received their second dose by December 1.
"The government has failed on its two jobs this year, the rollout of the vaccine and fixing quarantine. It needs to use every measure at its disposal to protect Australians and our economy," he said.
The money would be back-paid to Australians who had already received the vaccine.
However, the government has already rejected the proposal.
Finance Minister Simon Birmingham described the announcement as insulting to millions of Australians who had already received a shot.
"The evidence says that it's unnecessary and unlikely to work," he told the ABC on Tuesday.
Labor claimed the cash payments would provide a $6 billion boost to an economy crippled by NSW's extended lockdown.
The party's treasury spokesman Jim Chalmers on Monday lashed the Mr Morrison's claim Australia would be in a "goal medal race" to get vaccinated.
"Let's be brutal about it: we're at the arse-end of the medal tally when it comes to vaccinations," he told ABC Drive.
The federal government on Friday revealed a 70 per cent full-vaccination rate among eligible Australians would be required to enter Phase B of its four-step reopening plan.
In a sign the government was mulling incentives to get vaccinated, an outline of the plan revealed Phase B may include moves "encouraging uptake through incentives and other measures".
The next phase, which will see lockdowns almost entirely eradicated, will be triggered once an 80 per cent threshold is reached.
Health Minister Greg Hunt said on Monday modelling from the Doherty Institute, on which the reopening plan was based, will be revealed "in the coming days".
"Our goal here is to ensure everybody who seeks to be vaccinated is vaccinated this year. The number is unlimited," he said.
The Grattan Institute on Friday suggested a $10m-a-week lottery with an entry for each dose, as well as vaccine passports for domestic flights and attend large events.
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Australia's vaccine rollout was significantly dented after ATAGI recommended against AstraZeneca being administered to people aged under 60 over extremely rare blood clotting.
But as NSW's crisis deepened, Prime Minister Scott Morrison has stressed the jab was available to all adults after consultation with a GP.
"People take risks driving their car every year, and that's greater than what we're talking about with this vaccine, or any vaccine for that matter," he told 4BC Radio on Monday.
"All vaccines, any medicines have these very mild and small risks ... You can give your informed consent."
Health Department data showed 13,391 AstraZeneca doses had been administered to people aged 16-50 across the ACT.
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