(Yicai Global) May 23 -- Shanghai again reported no new imported or domestically transmitted novel coronavirus cases yesterday, marking two days running in which the eastern metropolis' patient total stood at 667, 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 326 imported Covid-19 cases so far, 11 patients are being treated, with one in serious condition, and 315 have been discharged upon recovery, the commission said.

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

Of the 341 local cases, seven have died, two are being treated and 332 patients have fully recovered and been released from hospital, the commission said.