[{"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": 2188, "treatment_name": "Standard of care", "treatment_type": "Standard of care", "pharmacological_treatment": "Standard of care"}]

[{"arm_notes": " 3 doses of an mRNA vaccine", "treatment_id": 824, "treatment_name": "Mrna-1273", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}, {"arm_notes": " 3 doses of an mRNA vaccine", "treatment_id": 918, "treatment_name": "Nvx-cov2373", "treatment_type": "Protein subunit", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "4 doses of an mRNA vaccine", "treatment_id": 918, "treatment_name": "Nvx-cov2373", "treatment_type": "Protein subunit", "pharmacological_treatment": "Vaccine"}]

[{"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", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "", "treatment_id": 824, "treatment_name": "Mrna-1273", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "", "treatment_id": 161, "treatment_name": "Chadox1 ncov-19", "treatment_type": "Non replicating viral vector", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "", "treatment_id": 918, "treatment_name": "Nvx-cov2373", "treatment_type": "Protein subunit", "pharmacological_treatment": "Vaccine"}]