[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Recombinant new coronavirus vaccine (CHO cell) low-dose group", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Recombinant new coronavirus vaccine (CHO cell) low-dose group", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Recombinant new coronavirus vaccine (CHO cells) high-dose group", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Recombinant new coronavirus vaccine (CHO cells) high-dose group", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Recombinant new coronavirus vaccine (CHO cells) placebo group", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Recombinant new coronavirus vaccine (CHO cells) placebo group", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "2 or 3", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}, {"arm_notes": "2 or 3 (low dose)", "treatment_id": 1088, "treatment_name": "Recombinant sars-cov-2 vaccine (cho cell)", "treatment_type": "Protein subunit", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "2 or 3 (high dose)", "treatment_id": 1088, "treatment_name": "Recombinant sars-cov-2 vaccine (cho cell)", "treatment_type": "Protein subunit", "pharmacological_treatment": "Vaccine"}]