1. The history of SARS-CoV-2 infection, 2. The History of vaccination against other types of SARS-CoV-2 vaccine other than inactivated SARS-CoV-2 vaccine, 3. Severe mental and neurological disease, 4. The following common disease (coronary heart disease, hypertension, diabetes, chronic respiratory diseases, tumors, etc.) and poorly controlled, 5. Immune deficiency or immunosuppressive therapy patients, 6. According to the researchers, any other factors that the subjects do not fit to participate in this clinical trials.

1. The history of SARS-CoV-2 infection, 2. The History of vaccination against other types of SARS-CoV-2 vaccine other than inactivated SARS-CoV-2 vaccine, 3. Severe mental and neurological disease, 4. The following common disease (coronary heart disease, hypertension, diabetes, chronic respiratory diseases, tumors, etc.) and poorly controlled, 5. Immune deficiency or immunosuppressive therapy patients, 6. According to the researchers, any other factors that the subjects do not fit to participate in this clinical trials.