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Hidden COVID-19 infection in Hong Kong

Delineate the prevalence, risk factors, temporal distribution and epidemiological characteristics of hidden novel coronavirus (2019-nCoV) infection in the community

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2000034522
Enrollment
Unknown
Registered
2020-07-08
Start date
2020-05-15
Completion date
Unknown
Last updated
2020-07-13

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

1: = 65 years old:IgG

Sponsors

Health and Medical Research Fund, Hong Kong
Lead Sponsor

Eligibility

Sex/Gender
All
Age
1 Years to 100 Years

Inclusion criteria

Inclusion criteria: Asymptomatic individuals, age group: <10, 10-20, 21-45, 45-64, = 65 years

Exclusion criteria

Exclusion criteria: Those who or their parents do not provide consent for this study.

Design outcomes

Primary

MeasureTime frame
sero-prevalence of SARS-CoV-2 IgG;—

Countries

China

Contacts

Public ContactProf. Paul KS Chan

The Chinese University of Hong Kong

paulkschan@cuhk.edu.hk+852 5632 2891

Outcome results

None listed

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