Australia Covid news live: Scott Morrison announces change to isolation time as nation records more than 32,000 cases

Scott Morrison announces change to isolation time; South Australia records 2,091 new Covid-19 cases and four deaths; Queensland records 3,118 cases; Australian batsman Travis Head tests positive ahead of fourth Ashes Test; NSW records 21,151 new cases and six deaths; Victoria records 5,919 cases and seven deaths. Follow all today’s news

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