[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "COMIRNATY", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": 2188, "treatment_name": "Standard of care", "treatment_type": "Standard of care", "pharmacological_treatment": "Standard of care"}]

[{"arm_notes": "1;Day14;having received prior ChAdOx1 nCoV-19 vaccine (heterogeneous prime-boost)", "treatment_id": 222, "treatment_name": "Bnt162b2", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "If primary analysis at day 14th confirms the starting hypothesis subjects randomized to this arm will be considered for administration of one dose of BNT162b2 at day 28", "treatment_id": 2188, "treatment_name": "Standard of care", "treatment_type": "Standard of care", "pharmacological_treatment": "Standard of care"}]