The city reported 41 local COVID-19 cases, 128 local asymptomatic infections, 16 imported patients and two imported asymptomatic cases on Sunday, said the Shanghai Health Commission on Monday morning.Of all the confirmed and asymptomatic cases, 32 confirmed patients and 90 asymptomatic infections were detected during central quarantine, while the others were found in the screening of high-risk people.Two of the local patients used to be asymptomatic.