[Translation] A randomized, blinded, positive-controlled phase I clinical trial to evaluate the safety and preliminary immunogenicity of quadrivalent influenza virus split vaccine (MDCK cells) in people aged 6 months and above
主要目的:评价四价流感病毒裂解疫苗(MDCK细胞)在6月龄及以上人群中接种的安全性。
次要目的:探索四价流感病毒裂解疫苗(MDCK细胞)在6月龄及以上人群中接种的免疫原性。
探索性目的:探索3-8岁不同流感疫苗接种史人群以不同免疫程序接种四价流感病毒裂解疫苗(MDCK细胞)的免疫原性。
[Translation] Primary objective: To evaluate the safety of quadrivalent influenza virus split vaccine (MDCK cells) in people aged 6 months and above.
Secondary objective: To explore the immunogenicity of quadrivalent influenza virus split vaccine (MDCK cells) in people aged 6 months and above.
Exploratory objective: To explore the immunogenicity of quadrivalent influenza virus split vaccine (MDCK cells) in different immunization schedules in people aged 3-8 years with different influenza vaccination histories.