[Introduction]: from 0:00 to 24:00 on April 16, 19 new asymptomatic infected persons were added. All of them were found for active investigation. 11 close contacts had conducted centralized isolation medical observation according to relevant regulations.

From 0:00 to 24:00 on April 16, 19 asymptomatic infected persons were added, one of which was asymptomatic infected from the United States detected by the port of entry, 18 asymptomatic infected persons were investigated and found from close contacts who had been included in isolated medical observation (2 were Chinese and 16 were foreign), among which 3 had gone to turquoise Tavern for dining, eight people have visited high-risk places with more cases reported recently, such as Tongtong trade city and vast trade city, and the other seven are close contacts of imported cases abroad.

All the above asymptomatic infected persons were found for active investigation, and 11 close contacts have been observed in centralized isolation medicine according to relevant regulations.

The relevant living places and activity places involved in the case have been terminally disinfected, and the environmental samples are all negative. The same measures as those of confirmed cases are implemented for asymptomatic infected persons, all of which are treated separately in designated hospitals.

If you reply to [asymptomatic], you can query the data and isolation requirements of asymptomatic infected persons in Shanghai, Shanghai and the whole country.

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