{"batchcode": "028I20A", "histograms": [{"histogram": {"Atelectasis": 1, "Balance disorder": 1, "COVID-19": 1, "Cerebral infarction": 1, "Chest X-ray abnormal": 1, "Dizziness": 1, "Lung consolidation": 1, "Magnetic resonance imaging head abnormal": 1, "SARS-CoV-2 test positive": 1, "Troponin increased": 1, "Vaccine breakthrough infection": 1}, "batchcodes": ["011J20A", "028I20A"]}, {"histogram": {"Injection site pain": 2, "Amnesia": 1, "Cerebral infarction": 1, "Cerebral small vessel ischaemic disease": 1, "Expired product administered": 1, "Injection site pruritus": 1, "Injection site rash": 1, "Magnetic resonance imaging head abnormal": 1, "Mobility decreased": 1, "Pain in extremity": 1, "Rash": 1}, "batchcodes": ["028I20A"]}]}