Surveys on Serum and respiratory antibodies level against COVID-19

Surveys on antibodies level against COVID-19

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2300069788

Enrollment

Unknown

Registered

2023-03-25

Start date

2023-03-22

Completion date

Unknown

Last updated

2023-05-29

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

Conditions

antibodies level against infection

Interventions

Case series:N/A

Eligibility

Sex/Gender

All

Age

1 Years to 100 Years

Inclusion criteria

Inclusion criteria: 1: over 1 years old 2: participate voluntarily and can sign the ICF

Exclusion criteria

Exclusion criteria: Unable to sign the ICF

Design outcomes

Primary

Measure	Time frame
antibodies responses against covid-19;Infection rate of different populations;	—

Secondary

Measure	Time frame
Dynamics of nasal and serum antibodies;	—

Countries

China

Contacts

Public ContactBaoqing SUN

The First Affiliate Hospital, Guangzhou Medical University

sunbaoqing@vip.163.com18928868236

Outcome results

None listed

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