Epidemiological Study on Asymptomatic Infections and Mild Illness With Covid-19 in Shanghai

• Conditions: COVID-19

• Registration Number: NCT05375786
• Lead Sponsor: Ruijin Hospital

Brief Summary

this study is to clarify the epidemiological characteristics of Omicron variant infected persons in Shanghai, such as distribution characteristics, host and clinical characteristics, disease outcome and risk factors. especially asymptomatic infections.

Detailed Description

Not available

Study Timeline

• Status Verified: 2022-04
• Study Start: 2022-04-02
• Study First Submitted: 2022-05-13
• Study First Submitted QC: 2022-05-15
• Last Update Submitted: 2022-05-15
• Study First Posted: 2022-05-17
• Last Update Posted: 2022-05-17
• Primary Completion: 2022-06-30
• Study Completion: 2022-07-31

Recruitment & Eligibility

• Status: UNKNOWN
• Sex: All
• Target Recruitment: 10000

Inclusion Criteria

• SARS-Cov-2 RNA positive.
• asymptomatic or mild clinical manifestation.
• informed consent signed.

Exclusion Criteria

• informed consent rejected.

Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Viral clearance time	2 months	time from viral RNA positive to negative

Trial Locations

Locations (1)

Ruijin hospital; 🇨🇳 Shanghai, Shanghai, China