1. Known anaphylaxis to any of the trial vaccine components (including excipients of the trial vaccines) or drugs. 2. Participants with previous documented SARS-CoV-2 infection within 6 months of first vaccination. 3. Receipt of immunoglobulins or blood products within 3 months of first vaccination. 4. Receipt of any other vaccines within 14 days (for inactivated vaccines) or 28 days (for live vaccines) prior to enrollment in this trial. 5. Use of or anticipated need to use, within the next 6 months of any medications that may be associated with impaired immune responsiveness or with immunosuppression. 6. Participants who are pregnant or breastfeeding. 7. Presence of any acute illness required medical attention within 14 days of first vaccination. 8. Participants with body mass index more than 35 kg/m2

1. Known anaphylaxis to any of the trial vaccine components (including excipients of the trial vaccines) or drugs. 2. Participants with previous documented SARS-CoV-2 infection within 6 months of first vaccination. 3. Receipt of immunoglobulins or blood products within 3 months of first vaccination. 4. Receipt of any other vaccines within 14 days (for inactivated vaccines) or 28 days (for live vaccines) prior to enrollment in this trial. 5. Use of or anticipated need to use, within the next 6 months of any medications that may be associated with impaired immune responsiveness or with immunosuppression. 6. Participants who are pregnant or breastfeeding. 7. Presence of any acute illness required medical attention within 14 days of first vaccination. 8. Participants with body mass index more than 35 kg/m2