At 0-24:00 on December 29, 2021, there was a new case of local asymptomatic infection in Shanghai.
The asymptomatic infected person, 28 years old, was a close contact with a confirmed case imported from abroad reported on 23 December during health surveillance, that is, he was placed under centralized isolation for medical observation. During the period, the first 2 nucleic acid tests were negative, and the third nucleic acid test was abnormal. It was reviewed positive by the Municipal Center for Disease Control and Prevention. After consultation with municipal expert groups, asymptomatic infected persons are diagnosed with a comprehensive epidemiological history, clinical symptoms, laboratory tests and imaging results.
The asymptomatic infected person's close contacts in the city have previously been placed under centralized isolation and observation. Places where asymptomatic infected people have been active have been terminally disinfected.
What is the trajectory of the asymptomatic infected person? Shanghai post replied to netizens in the comment area
Will there be a change in Shanghai's risk level?
Source: Shanghai Release