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A single-center, retrospective study investigating the epidemiological characteristics of novel coronavirus Omicron in different populations

A single-center, retrospective study investigating the epidemiological characteristics of novel coronavirus Omicron in different populations

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2200060296
Enrollment
Unknown
Registered
2022-05-26
Start date
2022-05-21
Completion date
Unknown
Last updated
2024-05-06

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

Conditions

COVID-19

Interventions

Case group:None

Sponsors

Renji Hospital, School of Medicine, Shanghai Jiao Tong University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
3 Years to 101 Years

Inclusion criteria

Inclusion criteria: 1. The patient is infected with the new coronavirus and confirmed by rtPCR.

Exclusion criteria

Exclusion criteria: 1. Fuyang patients; 2. Patients with missing nucleic acid results or other baseline data.

Design outcomes

Primary

MeasureTime frame
epidemiological and clinical characteristics of asymptomatic and mild COVID-19 patients;—

Secondary

MeasureTime frame
the time to negative and symptom distribution in different populations (age, vaccine status, comorbidity status);—

Countries

China

Contacts

Public ContactJunhua Zheng

Renji Hospital, Shanghai Jiao Tong University School of Medicine

zhengjh0471@sina.com+86 13901722408

Outcome results

None listed

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