{"batchcode": "029L20-A", "histograms": [{"histogram": {"Chills": 2, "Injection site pain": 2, "Bundle branch block": 1, "Dizziness": 1, "Electrocardiogram": 1, "Epistaxis": 1, "Fatigue": 1, "Headache": 1, "Heart rate increased": 1, "Induration": 1, "Inflammation": 1, "Injection site pruritus": 1, "Injection site rash": 1, "Lymph node pain": 1, "Myalgia": 1, "Neck pain": 1, "Pain in extremity": 1, "Pain of skin": 1, "Pyrexia": 1, "Ventricular extrasystoles": 1}, "batchcodes": ["029L20-A"]}]}