The city reported 5,487 locally transmitted COVID-19 cases, 9,545 local asymptomatic infections and 52 deaths on Thursday, said the Shanghai Health Commission on Friday morning.Of all the local infections, 5,062 confirmed patients were previously asymptomatic infections. Another 418 confirmed patients and 9,444 asymptomatic cases were detected during central quarantine, while the rest were found in the screening of high-risk people.5,487 local casesThe first 418 patients tested positive during central quarantine.