[{"arm_notes": "", "treatment_id": null, "treatment_name": "three Groups:High and low dose groups; placebo control;", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}]

[{"arm_notes": "1", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}, {"arm_notes": "High dose;1", "treatment_id": 1088, "treatment_name": "Recombinant sars-cov-2 vaccine (cho cell)", "treatment_type": "Protein subunit", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "Low dose;1", "treatment_id": 1088, "treatment_name": "Recombinant sars-cov-2 vaccine (cho cell)", "treatment_type": "Protein subunit", "pharmacological_treatment": "Vaccine"}]