[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Heterologous prime-boost schedule with AZD1222 and MVC-COV1901", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Homologous prime-boost schedule with two doses of AZD1222", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "heterologous MVC-COV1901 booster at days 28 to 42;prime Chadox1 ncov-19", "treatment_id": 1930, "treatment_name": "Chadox1 ncov-19+mvc-cov1901", "treatment_type": "Non replicating viral vector+protein subunit", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "heterologous MVC-COV1901 booster at days 56 to 70;prime Chadox1 ncov-19", "treatment_id": 1930, "treatment_name": "Chadox1 ncov-19+mvc-cov1901", "treatment_type": "Non replicating viral vector+protein subunit", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "homologous Chadox1 ncov-19 booster at days 28 to 42;prime Chadox1 ncov-19", "treatment_id": 161, "treatment_name": "Chadox1 ncov-19", "treatment_type": "Non replicating viral vector", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "homologous Chadox1 ncov-19 booster at days 56 to 70;prime Chadox1 ncov-19", "treatment_id": 161, "treatment_name": "Chadox1 ncov-19", "treatment_type": "Non replicating viral vector", "pharmacological_treatment": "Vaccine"}]