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[Introduction]: Is there any new asymptomatic infected person in Shanghai on September 21? Is it imported overseas? Let’s take a look at the epidemic situation of asymptomatic covid-19 patients in Shanghai on September 21.

According to the report of Shanghai health committee, from 0:00 to 24:00 on September 21, 2020, Shanghai reported a new case of asymptomatic infection imported overseas.

A new case of asymptomatic infection imported overseas

Newly imported asymptomatic infected persons outside China:

Male, 34 years old, native of Sichuan, permanent residence Guangyuan in Sichuan province, worker. On September 17, I took flight KU419 from Kuwait and flew to Shanghai for entry on 18th. After sampling, the customs transferred to the centralized isolation point according to the whole closed-loop management procedure. Feedback the positive nucleic acid of the new coronavirus, that is, transfer to the Eighth People’s Hospital of Shanghai for isolation treatment.

Small popular science for asymptomatic infected persons:

Asymptomatic coronavirus infection (hereinafter referred to as asymptomatic infection) refers to symptoms and signs that are self-perceived or clinically identifiable without relevant clinical manifestations, such as fever, cough, sore throat, etc, however, the pathogenic detection of coronavirus in respiratory tract and other specimens is positive. Asymptomatic infected persons have two situations: first, after 14 days of isolated medical observation, there are no symptoms and signs that can be self-perceived or clinically recognized; the second is the “asymptomatic infection” state in the incubation period.

Asymptomatic infected persons are infectious and have the risk of transmission.

Strengthen the monitoring and detection of asymptomatic infected persons:

One is the active detection during medical observation of close contacts of covid-19 cases;

The second is the active detection in the cluster epidemic investigation;

The third is the active detection of exposed people in the process of tracing the source of infection of new coronavirus pneumonia cases;

The fourth is the active detection of the residents who live in some areas with continuous transmission of new coronavirus cases at home and abroad; The fifth is the relevant personnel found in epidemiological investigation and opportunistic screening.