COVID-19 negative certification not required / not known. From 18 April 2022, travellers do not require a pre-departure COVID-19 test to enter or transit Australia regardless of their COVID-19 vaccination status. You should check if COVID-19 testing requirements are different for any transit countries you will pass through on the way to Australia, or if your airline has additional requirements.
COVID-19 negative certification not required / not known. Returning Australians and other travellers to Australia must return a negative COVID-19 test prior to departure.
All travellers arriving in Australia may need to undergo enhanced health screening on arrival before going into quarantine. This can include temperature testing. You may also be asked to undergo screening or testing in quarantine.