[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "BNT162b2", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "mRNA-1273", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "mRNA-1273", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "MVC-COV1901", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "30\u00b5g, 1, day 0, IM, prior received 2 doses of the AZD1222", "treatment_id": 222, "treatment_name": "Bnt162b2", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "50\u00b5g, 1, day 0, IM, prior received 2 doses of the AZD1222", "treatment_id": 824, "treatment_name": "Mrna-1273", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "100\u00b5g, 1, day 0, IM, prior received 2 doses of the AZD1222", "treatment_id": 824, "treatment_name": "Mrna-1273", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "15\u00b5g, 1, day 0, IM, prior received 2 doses of the AZD1222", "treatment_id": 840, "treatment_name": "Mvc-cov1901", "treatment_type": "Protein subunit", "pharmacological_treatment": "Vaccine"}]

[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "BNT162b2", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "MCV COVID-19 vaccine", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "mRNA-1273", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "mRNA-1273", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}]