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First received: September 29, 2023

Clinical Trial: The Efficacy of the 2023-2024 Updated COVID-19 Vaccines Against COVID-19 Infection

Study Status: Completed

Recruit Status: RECRUITING

Condition: COVID-19

Study Type: INTERVENTIONAL


Official Title: Booster Epidemiological Evaluation of Health, Illness and Vaccine Efficacy Study: Randomized Trial to Compare the Clinical Efficacy of Novavax vs. mRNA COVID-19 2023-2024 Updated Vaccines Among Adults

Brief Summary: The purpose of this research study is to find out how well two different 2023-2024 updated COVID-19 vaccines protect people from COVID-19 (the disease caused by the SARS-CoV-2 virus), and to determine if getting a 2023-2024 updated vaccine provides better protection from COVID-19 than not getting a vaccine.If the participant chooses to get a 2023-2024 updated COVID-19 vaccine as part of this study, they will have a 50/50 chance of receiving either the Novavax or Pfizer mRNA vaccine.If the participant decides…

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