Australians returning from overseas as the coronavirus pandemic worsens will now be quarantined in hotels and other facilities for two weeks before returning to their homes.

The crackdown on international travellers will come into effect on Saturday night and be enforced by the states and territories with support from the Australian Defence Force.

Defence personnel will also help enforce existing self-isolation restrictions on people who have already returned from overseas to ensure they are staying at home for 14 days.

Almost two-thirds of the more than 3000 cases of coronavirus recorded in Australia are among people who have returned from overseas.

A significant percentage of the remaining cases are believed to have been transmitted to others by returned overseas travellers.

AAP

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