Shanghai reported one imported COVID-19 case and no domestically transmitted cases on Saturday, the municipal health commission said Sunday.
The patient is a Chinese national who left the United States on Sept. 12 and arrived in Shanghai via Switzerland on Sept. 13.
The patient has been sent to a designated medical institution for treatment. All the people in close contact with the patient on the same flight have been put under quarantine.
The municipal health commission said a total of 640 imported cases had been reported in Shanghai by Saturday. Among them, 599 patients were discharged from hospitals after recovery, and 41 continued to receive treatment in hospital with two in critical condition.
By Saturday, the municipality had reported 342 locally transmitted confirmed cases, including seven deaths.