Immunogenicity of Twice-annual Influenza Vaccination in Older Adults in Hong Kong (RETAIN)
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| ClinicalTrials.gov Identifier: NCT02957890 |
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Recruitment Status :
Active, not recruiting
First Posted : November 8, 2016
Last Update Posted : September 22, 2021
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Sponsor:
The University of Hong Kong
Collaborators:
Centers for Disease Control and Prevention
Hospital Authority, Hong Kong
Information provided by (Responsible Party):
Dr. Benjamin John Cowling, The University of Hong Kong
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No Study Results Posted on ClinicalTrials.gov for this Study
| Recruitment Status : | Active, not recruiting |
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| Estimated Primary Completion Date : | September 2025 |
| Estimated Study Completion Date : | September 2026 |