New South Wales (NSW) has recorded 22 new Covid-19 cases on day five of its lockdown, as the government announced QR code check-ins would soon be mandatory in supermarkets, schools and offices. People wait for a tram in the empty central business district in Sydney on 27 June, the first full day a lockdown to contain an outbreak of the highly contagious Delta variant. Photo: AFP Eleven of the new cases were in isolation while they were infectious. More than 68,000 tests were completed in the 24 hours to 8pm yesterday. NSW Premier Gladys Berejiklian hinted the two-week lockdown imposed on several parts of the state would not need to be extended if the numbers remained steady.