Omicron, Clinical trial, COVID-19 control, non-inferiority, immunogenicity, Inactivated
Global Burden of Disease, Metabolic Risk Factors, High Systolic Blood Pressure, High Fasting Plasma Glucose, High Body-Mass Index, High-LDL, North Africa and the Middle East
COVID-19, Health Care Rationing, Mechanical Ventilators, Medical Ethics, Resource Allocation, Triage