Clinical Trial

Immune Responses in Health Care Personnel

Recruiting
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Summary
This is an investigator-initiated 10 year long open cohort observational study, aiming to increase the understanding of the humoral and cellular immunological mechanisms of vaccination against influenza, including effects of repeated vaccination, the duration of protection, immunity against circulating viruses, as well as factors affecting the immunological responses and immunity against other vaccine preventable infectious diseases among health care personnel.
Protocol Amendment History 6 amendments
This ClinicalTrials.gov record has been amended 6 times since 2017-10-23; most recent amendment 2025-08-18.
Trial Details
NCT Number NCT03323112
Lead Sponsor Finnish Institute for Health and Welfare
Collaborators: Hospital District of Helsinki and Uusimaa
Conditions Influenza
Enrollment 150 participants
Start Date 2017-10-18
Primary Completion 2027-10-14 (estimated)
Study Completion 2027-10-14 (estimated)
Updated on ClinicalTrials.gov 2025-08-20