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

[{"arm_notes": "3-month interval", "treatment_id": 1923, "treatment_name": "Inactivated sars-cov-2 vaccine (vero cell)", "treatment_type": "Inactivated virus", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "4-month interval", "treatment_id": 1923, "treatment_name": "Inactivated sars-cov-2 vaccine (vero cell)", "treatment_type": "Inactivated virus", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "5-month interval", "treatment_id": 1923, "treatment_name": "Inactivated sars-cov-2 vaccine (vero cell)", "treatment_type": "Inactivated virus", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "6-month interval", "treatment_id": 1923, "treatment_name": "Inactivated sars-cov-2 vaccine (vero cell)", "treatment_type": "Inactivated virus", "pharmacological_treatment": "Vaccine"}]