4,400
Participants
Start Date
February 8, 2025
Primary Completion Date
July 15, 2025
Study Completion Date
October 15, 2025
QIV
Quadrivalent Influenza Virus Split Vaccine containing H1N1, H3N2, Bv, By antigens of 0.5ml for each dose
QIV Control
Quadrivalent Influenza Virus Split Vaccine containing each type of antigens of 0.5ml for each dose
Xing'an Center for Disease Control and Prevention, Guilin
Yangshuo Center for Disease Control and Prevention, Guilin
Binyang Center for Disease Control and Prevention, Nanning
Guangxi Zhuang Autonomous Region Center for Disease Prevention and Control
OTHER_GOV
Institute of Medical Biology, Chinese Academy of Medical Sciences
OTHER