{"batchcode": "EJ6796 1,2", "histograms": [{"batchcodes": ["EJ6796 1,2"], "histogram": {"Blood pressure increased": 1, "Blood pressure measurement": 1, "Dyspnoea": 1, "Headache": 1, "Heart rate": 1, "Syncope": 1, "Tachycardia": 1, "Vaccination site pain": 1}}]}