(Yicai Global) June 9 -- Shanghai reported no new imported or domestically transmitted novel coronavirus cases yesterday, with the eastern metropolis' total remaining 678, the city's health commission said this morning.

It also reported no asymptomatic cases under observation in the city as of yesterday.

Among the confirmed 337 imported Covid-19 cases so far, seven patients are being treated and 330 have been discharged upon recovery, the commission said.

It added one suspected case, also involving people who had recently been overseas, is undergoing further test.

Of the 341 local cases, seven have died and 334 patients have fully recovered and been released from hospital, the commission said.