{"batchcode": "0300A21A", "histograms": [{"histogram": {"Adverse event": 1, "Chills": 1, "Dizziness": 1, "Fatigue": 1, "Feeling abnormal": 1, "Hypokinesia": 1, "Nasopharyngitis": 1}, "batchcodes": ["0300A21A"]}]}