[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "0.9% sodium chloride (NaCl) saline solution", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "BCG vaccine", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "nan", "treatment_id": 186, "treatment_name": "Bcg vaccine", "treatment_type": "Non covid vaccine", "pharmacological_treatment": "Non covid vaccine"}, {"arm_notes": "nan", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]

[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "BCG vaccine", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "BCG vaccine", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "1", "treatment_id": 186, "treatment_name": "Bcg vaccine", "treatment_type": "Non covid vaccine", "pharmacological_treatment": "Non covid vaccine"}, {"arm_notes": "1", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]