Prime Minister Scott Morrison confirmed the exemption will no longer be in place from Wednesday, ahead of the resumption of international travel from November 1.

Meanwhile, Singapore announced overnight it would allow Australians to travel to the country without quarantine from November 8.

“Over half a million Australians have already been able to download the international vaccine certificate,” Morrison told the Seven Network.

“We are very close now to the reciprocal arrangements with Singapore.”

The prime minister said Australia’s first-dose vaccine rate had passed the rate in the US.

“The national plan is working. The national plan is about opening Australia up and that is because the vaccination rates are climbing so high,” Mr Morrison said.

The news comes with Australia poised to hit the 80 per cent full COVID-19 vaccination mark within a week, as at least four states gear up for quarantine-free international arrivals.

The latest forecast on covid19data.com.au has a best case scenario of 80 per cent – a target set by national cabinet for major changes to restrictions – being hit on November 2, which is also Melbourne Cup day.

The federal health department’s latest data shows 74.1 per cent of Australians over 16 are now fully vaccinated, with 87.1 per cent having received a first dose.

-with AAP