[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "mRNA COVD19 vaccine", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "2", "treatment_id": 339, "treatment_name": "Covid-19 mrna vaccine (nucleoside-modified)", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}]