“We’ve got ahead of it early and we intend to stay ahead of this,” Prime Minister Scott Morrison told reporters in Canberra on Thursday.
Korean visitors will be banned from 9 p.m. on Thursday.
Australian citizens and permanent residents returning from Korea will be asked to self-isolate for 14 days when they return home.
Travellers from Italy will be asked mandatory questions at check-in.
Anyone who fails the checks will be denied approval to board an aircraft.
On arrival, passengers won’t be able to use electronic gates but rather will be dealt with by government officials who will ask further questions and undertake health screening measures.
In Australia two people have died out of 53 cases of the virus known as COVID-19.
By Paul Osborne