Shanghai faces unexpected round of COVID testing for most residents

A round of mass COVID-19 testing for most residents this weekend - just 10 days after a city-wide lockdown was lifted - unsettling residents and raising concerns about the impact on business. Shanghai officials on Thursday said seven of the city's 16 districts would carry out PCR testing for all residents over the weekend due to the discovery of a few cases in the community, saying they wanted to prevent a renewed outbreak