[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Two doses of inactivated SARS-CoV-2 vaccine at the schedule of day 0,28 and one dose Quadrivalent Influenza Vaccine on day 0 or day 28.", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Two doses of inactivated SARS-CoV-2 vaccine at the schedule of day 0,28 and one dose Quadrivalent Influenza Vaccine on day 14.", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "combined immunization; SARS-CoV-2 inactivated vaccine (Vero cell)+Quadrivalent Influenza Vaccine;2+1;days0-28+day0", "treatment_id": 2283, "treatment_name": "Coronavac+flu vaccine", "treatment_type": "Inactivated virus+non covid vaccine", "pharmacological_treatment": "Vaccine+non covid vaccine"}, {"arm_notes": "combined immunization; SARS-CoV-2 inactivated vaccine (Vero cell)+Quadrivalent Influenza Vaccine;2+1;days0-28+day28", "treatment_id": 2283, "treatment_name": "Coronavac+flu vaccine", "treatment_type": "Inactivated virus+non covid vaccine", "pharmacological_treatment": "Vaccine+non covid vaccine"}, {"arm_notes": "non combined immunization; SARS-CoV-2 inactivated vaccine (Vero cell)+Quadrivalent Influenza Vaccine;2+1;days0-28+day14", "treatment_id": 2283, "treatment_name": "Coronavac+flu vaccine", "treatment_type": "Inactivated virus+non covid vaccine", "pharmacological_treatment": "Vaccine+non covid vaccine"}]