[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "COVAX only (1st and 2nd dose)", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "COVAX+PPV23;COVAX+IIV4", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "PPV23 for the 1st dose and IIV4 for the 2nd dose", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "Bbibp-corv+Pneumococcal vaccine, 1 ,day 0, Bbibp-corv+Iiv4, 1, day 28", "treatment_id": 1992, "treatment_name": "Bbibp-corv+flu vaccine+pneumococcal vaccine", "treatment_type": "Inactivated virus+non covid vaccine", "pharmacological_treatment": "Vaccine+non covid vaccine"}, {"arm_notes": "2;days0-28", "treatment_id": 184, "treatment_name": "Bbibp-corv", "treatment_type": "Inactivated virus", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "Pneumococcal vaccine, 1 ,day 0, flu vaccine, 1, day 28", "treatment_id": 1993, "treatment_name": "Flu vaccine+pneumococcal vaccine", "treatment_type": "Non covid vaccine", "pharmacological_treatment": "Non covid vaccine"}]