520
Participants
Start Date
November 5, 2021
Primary Completion Date
July 14, 2022
Study Completion Date
July 14, 2022
Experimental Group
The COVID-19 vaccine was manufactured by Sinovac Research \& Development Co., Ltd, and the EV71 vaccine was manufactured by Sinovac Biotech Co. The COVID-19 vaccine:600SU inactivated virus in 0.5 mL of aluminium hydroxide solution per injection;The EV71 vaccine:Inactivated EV71 virus antigen no less than 3.0EU in 0.5 mL of aluminium hydroxide solution per injection.
Control Group
The COVID-19 vaccine was manufactured by Sinovac Research \& Development Co., Ltd, and the EV71 vaccine was manufactured by Sinovac Biotech Co. The COVID-19 vaccine:600SU inactivated virus in 0.5 mL of aluminium hydroxide solution per injection;The EV71 vaccine:Inactivated EV71 virus antigen no less than 3.0EU in 0.5 mL of aluminium hydroxide solution per injection.
Zhanjiang Center for Disease Control and Prevention, Zhanjiang
Yangchun Center for Disease Control and Prevention, Yangchun
Sinovac Research and Development Co., Ltd.
INDUSTRY