>>13904475No. The PCR test is required of all travelers to Australia and is required in addition to vaccination. Additionally if you've been to South Africa, Lesotho, Eswatini, Namibia, Botswana, Zimbabwe, Seychelles, Mozambique, or Malawi, you must quarantine for two weeks upon arrival with no exceptions.
If you're unvaxxed, you're not even allowed to board flights to Australia.