The PM called on John Howard and Kevin Rudd over China trade war.
The federal Health Minister would not say if the government was talking to Pfizer about buying more vaccine doses.
"The government is not reacting in a careful strategic way. It's just responding to the most recent event or the most recent provocation."
The Prime Minister Scott Morrison has sympathised with farmers trying to get seasonal harvest labour.
Comment: Former leader of the Nationals in the Senate, Ron Boswell AO reflects on some key moments with the late Doug Anthony.