[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Half dose of ChAdOx1 nCoV-19 (AZD1222)", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Standard dose of ChAdOx1 nCoV-19 (AZD1222)", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "Half dose; 2; 8 weeks", "treatment_id": 161, "treatment_name": "Chadox1 ncov-19", "treatment_type": "Non replicating viral vector", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "Standard dose; 2; 8 weeks", "treatment_id": 161, "treatment_name": "Chadox1 ncov-19", "treatment_type": "Non replicating viral vector", "pharmacological_treatment": "Vaccine"}]