{"batchcode": "PCA0031", "histograms": [{"histogram": {"Dizziness": 3, "Syncope": 3, "Malaise": 2, "Rash": 2, "Blood pressure abnormal": 1, "Blood pressure measurement": 1, "Body temperature": 1, "Chest pain": 1, "Chills": 1, "Dyspnoea": 1, "Hypoaesthesia": 1, "Loss of consciousness": 1, "Nausea": 1, "Pain": 1, "Paralysis": 1, "Pyrexia": 1, "Vaccination site pain": 1}, "batchcodes": ["PCA0031"]}]}