[Translation] A randomized, double-blind, positive-controlled phase III clinical trial to evaluate the immunogenicity and safety of quadrivalent influenza virus split vaccine in healthy people aged 3 years and above
证明3周岁及以上受试者全人群接种1剂试验用疫苗后30天的免疫原性和安全性
[Translation] Demonstrate the immunogenicity and safety of all subjects aged 3 years and above 30 days after 1 dose of the investigational vaccine