A Trial Evaluate the Immunogenicity and Safety of Recombinant COVID-19 Omicron-Delta Variant Vaccine (CHO Cell)
Conditions
Interventions
- BIOLOGICAL: Omicron-Delta Recombinant Novel Coronavirus Protein Vaccine (CHO cells)
- BIOLOGICAL: Recombinant Novel Coronavirus Protein Vaccine (CHO cells)
Sponsor
Anhui Zhifei Longcom Biologic Pharmacy Co., Ltd.