[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Comirnaty", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Comirnaty;Vaxzevria", "treatment_type": "Biological;Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Vaxzevria", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "Homologous prime/boost;The participants receive Comirnaty twice 3-7 weeks apart", "treatment_id": 222, "treatment_name": "Bnt162b2", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "Homologous prime/boost;The participants receive Vaxzevria twice 12 weeks apart.", "treatment_id": 161, "treatment_name": "Chadox1 ncov-19", "treatment_type": "Non replicating viral vector", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "Heterologous prime/boost;The recipients receive Vaxzevria followed by Comirnaty 12 weeks apart", "treatment_id": 1443, "treatment_name": "Bnt162b2+chadox1 ncov-19", "treatment_type": "Rna based vaccine+non replicating viral vector", "pharmacological_treatment": "Vaccine"}]