Doctors are urging people aged under 60 to wait for the Pfizer vaccine if they can, despite a surprise announcement from the prime minister that any adult who wants the AstraZeneca jab can have it.
Scott Morrison's snap decision blindsided the Australian Medical Association and contradicted official advice from the Australian Technical Advisory Group on Immunisation.
ATAGI has recommended AstraZeneca only be made available to people aged over 60, with Pfizer to be given to all other adults.
An urgent meeting of health officers has been arranged for Wednesday to discuss the issue.
AMA president Omar Khorshid is urging people to follow the expert advice and have the recommended vaccine when it is available.
Health Minister Greg Hunt insists health advice for the AstraZeneca coronavirus vaccine has not changed, despite phones ringing off the hook at GP clinics nationwide.
The government has provided doctors with legal protection to vaccinate adults of all ages, sparking a rush of younger people keen to have the jab.
People willing to take the AstraZeneca shots are able to do so after consulting with their GP to discuss the remote risk of rare blood clots.
Two people have died from the clotting disorder out of more than 3.6 million doses of AstraZeneca administered.
More than 12 million people are under lockdown across NSW, Queensland, Western Australia and the Northern Territory.
Just over seven per cent of Australians have been fully vaccinated, with the country lagging behind all other major economies.