{"batchcode": "000B21A", "histograms": [{"histogram": {"Pyrexia": 2, "Angioplasty": 1, "Atrioventricular block": 1, "Blood pressure abnormal": 1, "Blood test": 1, "Condition aggravated": 1, "Dizziness": 1, "Hypotension": 1, "Injection site erythema": 1, "Injection site swelling": 1, "Mobility decreased": 1, "Myocardial infarction": 1, "Nausea": 1, "Pain": 1, "Peripheral swelling": 1, "Rash erythematous": 1, "Skin warm": 1, "Vaccination site pain": 1}, "batchcodes": ["000B21A"]}]}