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Epidemiological survey of close contacts of novel coronavirus pneumonia (COVID-19)

Epidemiological survey of close contacts of novel coronavirus pneumonia (COVID-19)

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2000031246
Enrollment
Unknown
Registered
2020-03-25
Start date
2020-02-01
Completion date
Unknown
Last updated
2020-03-30

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

Conditions

Novel Coronavirus Pneumonia (COVID-19)

Interventions

Case series:NO

Sponsors

School of Public Health and Management, Chongqing Medical University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. History of contact with confirmed cases; 2. During the 14-day clinical observation period after contact with the confirmed case; 3. Nucleic acid test positive twice in a row; 4. Without any clinically relevant symptoms; 5. No positive change in chest CT; 6. Patients willing to participate in study.

Exclusion criteria

Exclusion criteria: 1. Have clinical symptoms or CT positive changes; 2. Patients no willingness to participate in the study; 3. Patients with consciousness disorders.

Design outcomes

Primary

MeasureTime frame
IgG antibody;IgM antibody;Throat swab virus nucleic acid test;—

Countries

China

Contacts

Public ContactXiaojun Tang

School of Public Health and Management, Chongqing Medical University

tangxiaoj0726@qq.com+86 13668023656

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026