[{"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": "Healthy people between the ages of 60 and 80 inoculated coronavirus vaccine on day 0 and day 21, respectively.", "treatment_id": 643, "treatment_name": "Inactivated covid-19 vaccine", "treatment_type": "Inactivated virus", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "Healthy people between the ages of 20 and 59 inoculated coronavirus vaccine on day 0 and day 21, respectively.", "treatment_id": 643, "treatment_name": "Inactivated covid-19 vaccine", "treatment_type": "Inactivated virus", "pharmacological_treatment": "Vaccine"}]