Status:
WITHDRAWN
COVID-19 Immunity and Changes Over Time
Lead Sponsor:
Chinese University of Hong Kong
Conditions:
COVID-19
Eligibility:
All Genders
Brief Summary
The risk of household spread of SARS-CoV-2 hinges on both the transmission dynamics of the virus circulating in the community as well as the seroprotection pattern of constituent members, which can be...
Detailed Description
The aim of this study is to assess the SARS-CoV-2 risk at the household level, with the objectives of (a) determining the coverage of vaccination and its changes over time; (b) monitoring pattern of e...
Eligibility Criteria
Inclusion
- adults of age 18 or above, or children under the age of 18 with informed consent of the legal guardian
- normally residing in Hong Kong
- could communicate in spoken and written Chinese and/or English
Exclusion
- individuals with mental illness
- prisoners
Key Trial Info
Start Date :
June 1 2022
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
January 1 2027
Estimated Enrollment :
Patients enrolled
Trial Details
Trial ID
NCT05271669
Start Date
June 1 2022
End Date
January 1 2027
Last Update
January 24 2025
Active Locations (1)
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1
Shui Shan Lee
Hong Kong, HONG KONG, China, 0000