(Yicai Global) April 26 -- Shanghai reported one more imported novel coronavirus case yesterday, taking the eastern metropolis' total to 642, the city's health commission said this morning.

The new addition, a Chinese citizen who had been living in the United States, traveled back to Shanghai on April 23, according to the commission.

Authorities have traced 43 people who had been in contact with the patient during the journey and placed them under quarantine, the commission said.

A total of 11 people who were confirmed imported Covid-19 cases were released from hospitals yesterday after a full recovery, according to the commission.

The commission confirmed no new domestically transmitted cases yesterday. It also reported no asymptomatic cases under observation in the city the same day.

Among the confirmed 303 imported Covid-19 cases so far, 76 patients are being treated, with one in serious condition, and 227 have been discharged upon recovery, the commission said.

It added nine suspected cases, also involving people who had recently been overseas, are undergoing further tests.

Of the 339 local cases, seven have died, one is in critical state, and 331 patients have fully recovered and been released from hospital, the commission said.