[{"arm_notes": "", "treatment_id": null, "treatment_name": "CoronaVac/BNT162b2 (full dose);CoronaVac/BNT162b2 (half dose);BNT162b2 (full dose)/BNT162b2 (full dose);BNT162b2 (half dose)/BNT162b2 (half dose);Experimental Biological/Vaccine;Experimental Biological/Vaccine;Experimental Biological/Vaccine;Experimental Biological/Vaccine;1;2;3;4", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}]

[{"arm_notes": "full dose, previous CoronaVac", "treatment_id": 222, "treatment_name": "Bnt162b2", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "half dose, previous CoronaVac", "treatment_id": 222, "treatment_name": "Bnt162b2", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "full dose, previous BNT162b2 (full dose)", "treatment_id": 222, "treatment_name": "Bnt162b2", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "half dose, previous BNT162b2 (half dose)", "treatment_id": 222, "treatment_name": "Bnt162b2", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}]