[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "BIBP Omicron Inactivated COVID-19 vaccine (Vero Cell)", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "BIBP Omicron Inactivated COVID-19 vaccine (Vero Cell)", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "COVID-19 Vaccine (Vero Cell), Inactivated", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "COVID-19 Vaccine (Vero Cell), Inactivated", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "WIBP Omicron Inactivated COVID-19 vaccine (Vero Cell)", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "WIBP Omicron Inactivated COVID-19 vaccine (Vero Cell)", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "after 2 or 3 doses of inactivated COVID-19 vaccine", "treatment_id": 184, "treatment_name": "Bbibp-corv", "treatment_type": "Inactivated virus", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "after 2 or 3 doses of inactivated COVID-19 vaccine", "treatment_id": 2493, "treatment_name": "Wipb", "treatment_type": "Inactivated virus", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "after 2 or 3 doses of COVID-19 mRNA vaccine", "treatment_id": 2493, "treatment_name": "Wipb", "treatment_type": "Inactivated virus", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "after 2 or 3 doses of COVID-19 mRNA vaccine", "treatment_id": 184, "treatment_name": "Bbibp-corv", "treatment_type": "Inactivated virus", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "after 2 or 3 doses of inactivated COVID-19 vaccine", "treatment_id": 643, "treatment_name": "Inactivated covid-19 vaccine", "treatment_type": "Inactivated virus", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "after 2 or 3 doses of COVID-19 mRNA vaccine", "treatment_id": 643, "treatment_name": "Inactivated covid-19 vaccine", "treatment_type": "Inactivated virus", "pharmacological_treatment": "Vaccine"}]