COVID-19, NCT05374954: Study on Sequential Immunization of Omicron Inactivated Vaccine and Prototype Inactivated Vaccine in Population Aged 18 Years Old and Above |
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| Active, not recruiting | 3 | 4200 | RoW | Omicron COVID-19 Vaccine (Vero Cell), Inactivated, COVID-19 Vaccine (Vero Cell), Inactivated | China National Biotec Group Company Limited, Beijing Institute of Biological Products Co Ltd., Hunan Provincial Center for Disease Control and Prevention | COVID-19 | 09/22 | 11/23 | | |