SHANGHAI, April 16 (Xinhua) -- Shanghai reported six imported cases of the novel coronavirus disease (COVID-19) on Wednesday, the municipal health commission said Thursday.

All of them were Chinese citizens returning Shanghai from countries including Britain, Italy and Russia. They have been sent to designated medical institutions for treatment.

A total of 114 people in close contact with the confirmed patients on the flights have been put under quarantine.

The municipal health commission said a total of 289 imported cases had been reported in Shanghai by Wednesday.

On Wednesday, no new locally transmitted COVID-19 cases were reported and two patients were discharged from hospitals in Shanghai after recovery.

By Wednesday, the municipality has reported 339 locally transmitted confirmed cases, including seven deaths.