Prime Minister Scott Morrison announced on February 21 that fully vaccinated travellers will be permitted to re-enter the country.
On Monday, the federal national security committee convened a high-level meeting to discuss when the border could reopen to international tourists.
At the moment, the country’s borders are closed to all but Australian citizens and permanent residents, their families, and holders of certain visas and exemptions.

https://www.news.com.au/travel/travel-updates/scott-morrison-makes-major-travel-announcement/news-story/d20b1a50a55ff735d40018c7869cc216