{"batchcode": "EWO206", "histograms": [{"histogram": {"Diarrhoea": 1, "Headache": 1, "Induration": 1, "Nodule": 1, "Pain": 1, "Pain in extremity": 1, "Sensitive skin": 1, "Vaccination site induration": 1, "Vaccination site pain": 1, "Vaccination site swelling": 1}, "batchcodes": ["EWO206"]}]}