(Yicai Global) April 11 -- Shanghai logged no new imported or domestically transmitted novel coronavirus cases yesterday, with the eastern metropolis' total remaing at 555, 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 216 imported Covid-19 cases so far, 109 patients are being treated, with one in serious condition, and 107 have been discharged upon recovery.

A total of 81 suspected cases, also involving people who have recently been overseas, are undergoing further tests. Among them, 80 were on the same flight from Russia which arrived at the Shanghai Pudong International Airport yesterday. They were sent to hospitals for medical observation upon arrival.

The other passengers on the flight have been put under quarantine, the commission said.

Of the 339 local cases, seven had died, four are in critical condition, and 328 patients have fully recovered and been discharged from hospital, the commission said.