The goal of this \[To evaluate the immunogenicity and safety of 1 - and 2-dose schedules of quadrivalent influenza vaccine (split virion) in healthy people with and without immunization history.\] is to \[aged 3-8 years\] in \[Healthy people\]. The main question\[s\] it aims to answer are: • \[To evaluate the immunogenicity of a two-dose schedule of quadrivalent influenza vaccine (quadrivalent influenza vaccine) in healthy population aged 3-8 years with or without vaccination history.\] •\[ To evaluate whether antibody levels are different 30 days after one dose of quadrivalent influenza vaccine versus two doses of quadrivalent influenza vaccine in healthy people aged 3-8 years with or without vaccination history.\]
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
evaluate the immunogenicity of 1-dose and 2-dose schedule in 3-8 years old healthy people with and without immunization history
Timeframe: Blood samples were collected before immunization, 30 days after the first dose (before the second dose) and 30 days after the first dose for influenza virus HI antibodies.
evaluate the safety of one dose and two doses schedule in children aged 3-8 years
Timeframe: The safety was observed until 6 months after the full course of immunization