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[{"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"}]

[{"arm_notes": "", "treatment_id": null, "treatment_name": "Experimental group: 500 heathcare workers will be vaccinated with BCG vaccine and will have a follow-up for the next 6 months in 2 moments or when necessaryControl group:500 heathcare workers will be vaccinated normal saline and will have a follow-up for the next 6 months in 2 moments or when necessary;Biological/vaccine;Mycobacterium bovis", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}]