Palestinian authorities said a grave site discovered at the Nasser hospital, the main medical facility in central Gaza, contained nearly 400 bodies
"The National Security Committee of Cabinet has today decided that the continuing coronavirus infections in mainland China make it necessary to continue the travel restrictions on foreign nationals entering Australia for a further week to 29 February," Morrison said in a statement.
Australia has 15 cases of the virus but has not had any new cases since the travel ban was first put in place on Feb 1.
Ten of the earlier cases are reported to have recovered. The other five are in a stable condition, Australia's health department said in notice dated Feb 20.