[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "A single \"booster\" dose of the Moderna mRNA COVID-19 vaccine", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}]

[{"arm_notes": "one dose booster, previsouly vaccinated with any of the SARS-CoV2 vaccines authorized in the USA", "treatment_id": 824, "treatment_name": "Mrna-1273", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}]