[{"arm_notes": null, "treatment_id": null, "treatment_name": "", "treatment_type": null, "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": null, "treatment_id": null, "treatment_name": "", "treatment_type": null, "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "Additional booster dose", "treatment_id": 1153, "treatment_name": "Sars-cov-2 mrna vaccine", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}]