[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "COVID-19 vaccine", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "COVID-19 vaccine", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "COVID-19 vaccine;diphtheria and tetanus toxoids (adsorbed) vaccine", "treatment_type": "Biological;Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "COVID-19 vaccine;diphtheria and tetanus toxoids (adsorbed) vaccine", "treatment_type": "Biological;Biological", "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "Immediate BNT162b2 booster at week 0.", "treatment_id": 222, "treatment_name": "Bnt162b2", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "Delayed BNT162b2 booster at week 24", "treatment_id": 222, "treatment_name": "Bnt162b2", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "Immediate BNT162b2 booster at week 0 and booster of combined diphtheria toxoid/tetanus toxoid (dT vaccine) at week 24.", "treatment_id": 2522, "treatment_name": "Bnt162b2+diphtheria tetanus vaccine (dt)", "treatment_type": "Rna based vaccine+non covid vaccine", "pharmacological_treatment": "Vaccine+non covid vaccine"}, {"arm_notes": "dT vaccine at week 0 and deferred BNT162b2 booster at week 24.", "treatment_id": 2522, "treatment_name": "Bnt162b2+diphtheria tetanus vaccine (dt)", "treatment_type": "Rna based vaccine+non covid vaccine", "pharmacological_treatment": "Vaccine+non covid vaccine"}]