U.S., Jan. 13 -- ClinicalTrials.gov registry received information related to the study (NCT07332689) titled 'Safety Study of Quadrivalent Subunit Influenza Vaccine in People Aged 3 Years and Older' on Dec. 30, 2025.
Brief Summary: This study evaluates the safety of the quadrivalent subunit influenza vaccine following its post-marketing widespread use in individuals aged 3 years and older, aiming to assess the occurrence of very rare adverse reactions (with an incidence rate of <0.01%).
Study Start Date: Oct. 30, 2023
Study Type: OBSERVATIONAL
Condition:
Influenza Vaccine
Intervention:
BIOLOGICAL: quadrivalent subunit influenza vaccine
one dose of quadrivalent subunit influenza vaccine
Recruitment Status: COMPLETED
Sponsor: Ab&B Bi...