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

[{"arm_notes": "The comparator receive two identical vaccinations according to the label", "treatment_id": 2188, "treatment_name": "Standard of care", "treatment_type": "Standard of care", "pharmacological_treatment": "Standard of care"}, {"arm_notes": "ChAdOx1 (1st dose)+COVID-19 mRNA vaccine (2nd dose);1+1;heterologouse prime boost", "treatment_id": 1445, "treatment_name": "Chadox1 ncov-19+covid-19 mrna vaccine (nucleoside-modified)", "treatment_type": "Non replicating viral vector+rna based vaccine", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "COVID-19 mRNA vaccine (1st dose)+ChAdOx1 (2nd dose);1+1;heterologouse prime boost", "treatment_id": 1445, "treatment_name": "Chadox1 ncov-19+covid-19 mrna vaccine (nucleoside-modified)", "treatment_type": "Non replicating viral vector+rna based vaccine", "pharmacological_treatment": "Vaccine"}]