{"batchcode": "EM9890", "histograms": [{"batchcodes": ["EM9890"], "histogram": {"Abdominal pain upper": 1, "Diarrhoea": 1, "Headache": 1, "Limb discomfort": 1, "Muscle tightness": 1, "Periarthritis": 1, "Sleep disorder": 1, "Vaccination site pain": 1}}]}