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

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

Status
UNKNOWN
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT05375786
Enrollment
10000
Registered
2022-05-17
Start date
2022-04-02
Completion date
2022-07-31
Last updated
2022-05-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

COVID-19

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.

Interventions

BIOLOGICALVaccination completion status

the relation between vaccination completion status and the target population

Sponsors

Ruijin Hospital
Lead SponsorOTHER

Study design

Observational model
COHORT
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Healthy volunteers
No

Inclusion criteria

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

Exclusion criteria

* informed consent rejected.

Design outcomes

Primary

MeasureTime frameDescription
Viral clearance time2 monthstime from viral RNA positive to negative

Countries

China

Contacts

Primary ContactYing CHEN, Ph D
cy11530@rjh.com.cn+8613917403314

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026