Covid news live: South Africa says fourth wave has peaked; US will soon see ‘viral blizzard’, expert warns

Health officials in South Africa say its fourth wave has passed after a dip in infections; the US will see new Covid cases rise dramatically next month, an infectious disease expert warns

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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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Covid live news: Omicron accounts for 58.6% of all infections in US; Wales reports 12,378 cases in past 48 hours

Centers for Disease Control and Prevention data highlights spread of new variant; Wales warns it is quickly catching up with rates in England

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Australia Covid live news updates: almost 500 extra Sydney cases undetected in community for days after mistake by major testing facility

More positive cases after Sydney lab testing error; ‘sacred’ SCG Ashes Test to go ahead, NSW minister says; Queensland reports 1,158 cases, scraps day five testing requirement after Brad Hazzard criticises ‘tourism testing’; massive demand for testing in NSW blows out wait times as state records 6,062 cases and one death; Victoria records 2,738 Covid cases and four deaths; Tasmania reports 43 cases and the ACT 252 – follow all the latest news

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