China News Service, May 17 (Xinhua) According to the "Shanghai Release" WeChat public account, at the press conference on Shanghai's epidemic prevention and control work held on the morning of May 17, Zhao Dandan, deputy director of the Shanghai Municipal Health Commission, introduced that the recent stage will continue to continue. The combined screening of "antigen + nucleic acid" based on three-zone division was carried out.

According to the screening results, on May 16, the city was divided into 4,057 closed control areas, involving a population of about 860,000; 16,484 control areas, involving a population of about 3 million; and 51,803 prevention areas, involving a population of about 19.44 million.

At present, all 16 districts of the city have achieved social clearance.

  Zhao Dandan introduced that on May 16, Shanghai added 77 new confirmed cases of new coronary pneumonia and 746 local asymptomatic infections.

Of the 77 local confirmed cases, 31 were found in closed-loop isolation and control, and 46 were asymptomatic infected patients and turned into confirmed cases.

746 cases of local asymptomatic infections were found in closed-loop isolation control.

  As of 24:00 on May 16, 259 severe patients and 64 critically ill patients had been treated in designated medical institutions.

  On May 16, 1 new local death case was reported. The patient was a 92-year-old female with underlying diseases such as coronary heart disease, cardiac insufficiency, vascular dementia, and renal insufficiency.

She has not been vaccinated against the new crown.

The immediate cause of death was the underlying disease.

  As of 9:00 on May 17: A total of 902,454 close contacts in Shanghai have been investigated for this epidemic, all of which have been put under control.

  Yesterday, 315 local confirmed cases in the city were discharged from hospital, and 2,872 asymptomatic infected persons were released from centralized isolation and medical observation.

  According to reports, in the recent stage, the combined screening of "antigen + nucleic acid" based on the division of the three regions has been continuously carried out.

According to the screening results, on May 16, the city was divided into 4,057 closed control areas, involving a population of about 860,000; 16,484 control areas, involving a population of about 3 million; and 51,803 prevention areas, involving a population of about 19.44 million.

At present, all 16 districts of the city have achieved social clearance.