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

[{"arm_notes": "2", "treatment_id": 1923, "treatment_name": "Inactivated sars-cov-2 vaccine (vero cell)", "treatment_type": "Inactivated virus", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "2", "treatment_id": 1923, "treatment_name": "Inactivated sars-cov-2 vaccine (vero cell)", "treatment_type": "Inactivated virus", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]

[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Inactivated SARS CoV 2 vaccine (Vero cell). Wuhan", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Inactivated SARS CoV 2 vaccine (Vero cell). Wuhan", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Inactivated SARS CoV 2 vaccine (Vero cell). Wuhan", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}]