[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Bacillus Calmette-Gu\u00e9rin", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Saline injection", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}]

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