75
Participants
Start Date
July 3, 2021
Primary Completion Date
December 12, 2021
Study Completion Date
April 6, 2023
Recombinant new coronavirus vaccine (CHO cell) group
Intramuscular injection of deltoid muscle of upper armof 25μg/0.5ml/person doseRecombinant new coronavirus vaccine (CHO cells).
Recombinant new coronavirus vaccine (CHO cells) placebo group
Intramuscular injection of deltoid muscle of upper armof 0.5ml/person doseRecombinant new coronavirus vaccine (CHO cells) placebo.
Hunan Provincial Center for Disease Control and Prevention, Changsha
Anhui Zhifei Longcom Biologic Pharmacy Co., Ltd.
INDUSTRY