[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "blood sample collection", "treatment_type": "Procedure", "pharmacological_treatment": "TODO"}]

[{"arm_notes": "nan", "treatment_id": 222, "treatment_name": "Bnt162b2", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}]