[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "SARS-CoV-2 Inactivated Vaccine", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "SARS-CoV-2 Inactivated Vaccine", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "The SARS-CoV-2 Inactivated Vaccine", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "Booster;1;3 months after completion of 2nd dose (safety group)", "treatment_id": 327, "treatment_name": "Coronavac", "treatment_type": "Inactivated virus", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "Booster;1;3 months after completion of 2nd dose", "treatment_id": 327, "treatment_name": "Coronavac", "treatment_type": "Inactivated virus", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "Booster;1;5 months after completion of 2nd dose", "treatment_id": 327, "treatment_name": "Coronavac", "treatment_type": "Inactivated virus", "pharmacological_treatment": "Vaccine"}]