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