{"batchcode": "027M20A", "histograms": [{"histogram": {"Abdominal distension": 1, "Abdominal pain": 1, "Blood chloride increased": 1, "Blood potassium increased": 1, "Diarrhoea": 1, "Metabolic function test": 1, "Vaccination site erythema": 1, "Vaccination site pain": 1}, "batchcodes": ["027M20A"]}]}