[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "COVID-19 Vaccine,Inactivated", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "COVID-19 Vaccine,Inactivated", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "2;days0-28;3-5 years old", "treatment_id": 327, "treatment_name": "Coronavac", "treatment_type": "Inactivated virus", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "2;days0-28;6-11 years old", "treatment_id": 327, "treatment_name": "Coronavac", "treatment_type": "Inactivated virus", "pharmacological_treatment": "Vaccine"}]