Current or history of a laboratory-confirmed diagnosis of SARS-CoV-2 infection or COVID-19.Unstable current cardiovascular, respiratory, hepatic, renal, gastrointestinal, endocrine, hematological, or neurological disease that, in the opinion of the investigator or subinvestigator, would constitute a safety concern or confound data interpretation.Immunosuppression (immunodeficiency, acquired immunodeficiency syndrome [AIDS], use of systemic steroids, use of immunosuppressants within the past 6 months prior to the first dose of study intervention, treatment for malignant tumors, other immunosuppressive therapy). Individuals considered to have hypersensitivity to any of the study interventions,or components thereof, or drug or other allergy that, in the opinion of the investigator or subinvestigator, contraindicates participation in the study (except for pollinosis and atopic dermatitis).Participant has a contraindication to intramuscular(IM) injections or blood draws.

Current or history of a laboratory-confirmed diagnosis of SARS-CoV-2 infection or COVID-19.Unstable current cardiovascular, respiratory, hepatic, renal, gastrointestinal, endocrine, hematological, or neurological disease that, in the opinion of the investigator or subinvestigator, would constitute a safety concern or confound data interpretation.Immunosuppression (immunodeficiency, acquired immunodeficiency syndrome [AIDS], use of systemic steroids, use of immunosuppressants within the past 6 months prior to the first dose of study intervention, treatment for malignant tumors, other immunosuppressive therapy). Individuals considered to have hypersensitivity to any of the study interventions,or components thereof, or drug or other allergy that, in the opinion of the investigator or subinvestigator, contraindicates participation in the study (except for pollinosis and atopic dermatitis).Participant has a contraindication to intramuscular(IM) injections or blood draws.