[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "MRNA-1273", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}]

[{"arm_notes": "Third dose 28 days after 2nd dose", "treatment_id": 824, "treatment_name": "Mrna-1273", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}]