[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Inactivated SARS-CoV-2 vaccine (Vero cell)", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Placebo/Aluminum Adjuvant of Inactivated SARS-CoV-2 vaccine", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "2;day0-21", "treatment_id": 184, "treatment_name": "Bbibp-corv", "treatment_type": "Inactivated virus", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "2;day0-21", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]