Immunogenicity and Safety of an Inactivated COVID-19 Vaccine in Elderly People With Chronic Bronchitis and COPD

Conditions:   COVID-19;   Chronic Bronchitis;   COPD Intervention:   Biological: Inactivated COVID-19 vaccine Sponsors:   China National Biotec Group Company Limited;   Zhejiang Provincial Center for Disease Control and Prevention;   Beijing Institute of Biological Products Co Ltd. Not yet recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials