27 close contacts of the two persons on the planes have been tracked down and put into quarantine.

Two more imported cases of coronavirus were reported in the city on Wednesday, bringing the total number of such infections 25, said the Shanghai Health Commission on Thursday.

Another 17 imported suspected cases are undergoing checks, the commission said.

One of the newly diagnosed cases is a Inner Mongolia native, who visited family in the UK. The person left London on March 14 and arrived at the Pudong International Airport the next day via Hong Kong. The person was quarantined upon arrival and started to show symptoms during quarantine, the commission said.

Another case is a Zhejiang Province native, who studied in the UK. The person left London on March 15 and arrived at the Pudong airport the next day via Singapore. The person was sent to a designated hospital for check upon arrival for showing symptoms.

Both the cases have been transferred to a designated hospital for treatment.

A total of 27 close contacts of the two persons on the planes have been tracked down and put into quarantine in designated places.

The city reported no new domestic cases on Wednesday. So far, Shanghai has reported 338 local cases and one local suspected case is undergoing test.

An imported case returning from Iran was discharged upon recovery on Wednesday. So far, 326 patients have been discharged upon recovery. There is three local fatalities.

Now, 34 patients are hospitalized for treatment, including 24 imported cases. Among them, 24 patients are stable, two are seriously sick and eight are in critical condition.