Epidemiological Study on Asymptomatic Infections and Mild Illness With Covid-19 in Shanghai
- Conditions
- COVID-19
- Interventions
- Biological: Vaccination completion status
- 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
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
- Arm && Interventions
Group Intervention Description COVID-19 infections Vaccination completion status * SARS-Cov-2 RNA positive * without symptom or with mild clinical manifestations
- Primary Outcome Measures
Name Time Method Viral clearance time 2 months time from viral RNA positive to negative
- Secondary Outcome Measures
Name Time Method
Trial Locations
- Locations (1)
Ruijin hospital
🇨🇳Shanghai, Shanghai, China