{"batchcode": "PCA0030", "histograms": [{"histogram": {"Blood pressure increased": 2, "Blood pressure measurement": 2, "Cough": 2, "Loss of consciousness": 2, "Cyanosis": 1, "Dyspnoea": 1, "Extensive swelling of vaccinated limb": 1, "Feeling cold": 1, "Heart rate": 1, "Heart rate increased": 1, "Hypoaesthesia": 1, "Musculoskeletal stiffness": 1, "Myalgia": 1, "Oedema": 1, "Pallor": 1, "Unresponsive to stimuli": 1, "Vaccination site pain": 1}, "batchcodes": ["PCA0030"]}]}