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First received: November 25, 2022

Clinical Trial: Phase ? Clinical Study of Quadrivalent Influenza Virus Split Vaccine

Study Status: COMPLETED

Recruit Status: COMPLETED

Condition: Prevention of Influenza

Study Type: INTERVENTIONAL


Official Title: A Randomized, Blind, Position-controlled Phase III Clinical Trial to Evaluate the Immunogenicity and Safety of Quadrivalent Influenza Virus Split Vaccine in 6-35 Months of Age

Brief Summary: A randomized, blind, positive vaccine control trial was designed.A total of 2550 subjects aged 6-35 months were randomly assigned to the low dose (0.25ml/ dose) group, the high dose (0.5ml/ dose) group and the control group in a ratio of 1:1:1.They were inoculated with 2 doses of quadrivalent influenza virus split vaccine (experimental vaccine or control vaccine) at 0 and 28 days of immunization program to observe the Immunogenicity and safety.

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