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First received: July 18, 2024

Clinical Trial: Immunogenicity of Influenza Vaccinations

Study Status: COMPLETED

Recruit Status: COMPLETED

Condition: Influenza

Study Type: INTERVENTIONAL


Official Title: Measuring Immunity Against Circulating Influenza Viruses: Randomized Immunogenicity Study Among US Adults Aged 18-64 Years Comparing Two Approved Influenza Vaccines

Brief Summary: This study is a randomized immunogenicity study in an enrolled cohort with active surveillance for influenza-like illness (ILI).During this study, participants will be randomly assigned to receive an approved cell culture-based influenza vaccine (Flucelvax) versus a licensed comparator influenza vaccine (Flublok or Fluzone).Blood samples from participants will be collected for measurement of biomarkers of immune response at baseline (visit 1; day 1), post-vaccination (visit 2; day 29), and post-season (visit 3;…

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