[{"arm_notes": "", "treatment_id": null, "treatment_name": "Active Comparator Biological/Vaccine;Active Comparator Biological/Vaccine;Homologous BNT162b2;Heterologous CoronaVac and BNT162b2;This group of healthy children will receive two doses of BNT162b2 intramuscularly at 8 weeks apart. Reactogenicity data will be collected for 7 days after vaccination. ;This group of healthy children will receive the first dose of inactivated vaccine (CoronaVac) followed by the BNT162b2 intramuscularly at 8 weeks apart. Reactogenicity data will be collected for 7 days after vaccination.", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}]

[{"arm_notes": "", "treatment_id": 222, "treatment_name": "Bnt162b2", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "", "treatment_id": 1966, "treatment_name": "Bnt162b2+coronavac", "treatment_type": "Rna based vaccine+inactivated virus", "pharmacological_treatment": "Vaccine"}]