[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Covax-19\u2122", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Covax-19\u2122", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "low dose;1mL;2;weeks0-2", "treatment_id": 335, "treatment_name": "Covax-19", "treatment_type": "Protein subunit", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "high dose;1mL;2;weeks0-2", "treatment_id": 335, "treatment_name": "Covax-19", "treatment_type": "Protein subunit", "pharmacological_treatment": "Vaccine"}]