[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "ChAdOx1 nCoV-19", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "ChAdOx1 nCoV-19", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "EuCorVac-19", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "EuCorVac-19", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "nan", "treatment_id": 161, "treatment_name": "Chadox1 ncov-19", "treatment_type": "Non replicating viral vector", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "nan", "treatment_id": 161, "treatment_name": "Chadox1 ncov-19", "treatment_type": "Non replicating viral vector", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "nan", "treatment_id": 486, "treatment_name": "Eucorvac-19", "treatment_type": "Protein subunit", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "nan", "treatment_id": 486, "treatment_name": "Eucorvac-19", "treatment_type": "Protein subunit", "pharmacological_treatment": "Vaccine"}]

[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "ChAdOx1", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "ChAdOx1", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "EuCorVac-19", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "EuCorVac-19", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "Immunogenicity cohort", "treatment_id": 161, "treatment_name": "Chadox1 ncov-19", "treatment_type": "Non replicating viral vector", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "Safety cohort", "treatment_id": 161, "treatment_name": "Chadox1 ncov-19", "treatment_type": "Non replicating viral vector", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "Immunogenicity cohort", "treatment_id": 486, "treatment_name": "Eucorvac-19", "treatment_type": "Protein subunit", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "Safety cohort", "treatment_id": 486, "treatment_name": "Eucorvac-19", "treatment_type": "Protein subunit", "pharmacological_treatment": "Vaccine"}]